Matroid database

Matroid 3.12.9269578

Label3.12.9269578
Idr3_n12_0000************0**********0***************0***********0*********0*****************************0***0********************************0*****0*************************0******************************0************0**0********
Rank3
n12
123456789101112

Affine diagram.

Basic invariants

Bases203
Circuits362
Flats49
Cyclic flats16
Loops0
Connected components1
Automorphisms1
Beta invariant29
Girth3
Simpleyes
Connectedyes
Uniformnot computed
Looplessyes
Colooplessyes
Pavingyes
Laminarno
Nestedno
Self dualno
Identically self dualno
Series parallelno
Transversalno
Supersolvableno
Divisionally freeno
Orientableyes
Three linesyes

Representability

Characteristic setcharacteristic 0 and all primes [0]
Realizableyes
Realizable char0yes
Regularno
Binaryno
Ternaryno
Quaternaryno
Graphicno

Realization space

Statuscomputed_realization_space
Dimension of realization space10
Expected dimension over ℤ2
Components of realization spacenot computed
Free realization spaceunknown
Principal idealunknown
Birational typenot computed
Birational type componentsnot computed
Good basisnot computed
Good basis v2unknown

Geometry

Realization space: scheme simple core idnot computed
Smooth char 0not computed
Singular primesnot computed
Realization space: smooth over ℚyes
Realization space: smooth over ℤno
how determined: smoothness method: certified_singular_fiber_before_flatness smoothness witness: 19
Realization space: is regular schemenot computed
Realization space: singular fiber primesnot computed
Realization space: singular fiber characteristicsp = 19
how determined: singular fiber characteristics method: exact_critical_support_and_exceptional_fibers
Realization space: characteristic dimensions
show
[
 {
  "p": 0,
  "d": 1
 }
]
how determined: characteristic dimensions method: hypersurface_slice_and_content
Realization space: characteristic dimension unexpectedno
Realization space: characteristic dimension variesno

Other

Char poly splitsfalse
Simplicial arrangementno
Realization space: n qbar componentsnot computed

Tutte polynomial

\(T = x_{0}^{3} + 9 x_{0}^{2} + x_{0} x_{1}^{2} + 15 x_{0} x_{1} + 29 x_{0} + x_{1}^{9} + 3 x_{1}^{8} + 6 x_{1}^{7} + 10 x_{1}^{6} + 15 x_{1}^{5} + 21 x_{1}^{4} + 28 x_{1}^{3} + 35 x_{1}^{2} + 29 x_{1}\)

Combinatorics

Computed on the fly from the id.

Bases (203){1,2,5} {1,3,5} {2,3,5} {1,4,5} {2,4,5} {3,4,5} {1,2,6} {1,3,6} {2,3,6} {1,4,6} {2,4,6} {3,4,6} {2,5,6} {3,5,6} {4,5,6} {1,2,7} {1,3,7} {2,3,7} {1,4,7} {2,4,7} {3,4,7} {1,5,7} {3,5,7} {4,5,7} {1,6,7} {2,6,7} {3,6,7} {4,6,7} {5,6,7} {1,2,8} {1,3,8} {2,3,8} {1,4,8} {2,4,8} {3,4,8} {1,5,8} {2,5,8} {4,5,8} {1,6,8} {2,6,8} {3,6,8} {4,6,8} {5,6,8} {1,7,8} {2,7,8} {3,7,8} {4,7,8} {5,7,8} {1,2,9} {1,3,9} {2,3,9} {1,4,9} {2,4,9} {3,4,9} {1,5,9} {2,5,9} {3,5,9} {1,6,9} {2,6,9} {3,6,9} {4,6,9} {5,6,9} {1,7,9} {2,7,9} {3,7,9} {4,7,9} {5,7,9} {6,7,9} {1,8,9} {2,8,9} {3,8,9} {4,8,9} {5,8,9} {6,8,9} {7,8,9} {1,2,10} {1,3,10} {2,3,10} {1,4,10} {2,4,10} {3,4,10} {1,5,10} {2,5,10} {3,5,10} {4,5,10} {1,6,10} {3,6,10} {4,6,10} {5,6,10} {2,7,10} {3,7,10} {4,7,10} {5,7,10} {6,7,10} {1,8,10} {2,8,10} {3,8,10} {4,8,10} {5,8,10} {6,8,10} {7,8,10} {1,9,10} {2,9,10} {3,9,10} {4,9,10} {5,9,10} {6,9,10} {7,9,10} {8,9,10} {1,2,11} {1,3,11} {2,3,11} {1,4,11} {2,4,11} {3,4,11} {1,5,11} {2,5,11} {3,5,11} {4,5,11} {1,6,11} {2,6,11} {4,6,11} {5,6,11} {1,7,11} {2,7,11} {3,7,11} {5,7,11} {6,7,11} {1,8,11} {2,8,11} {3,8,11} {4,8,11} {5,8,11} {6,8,11} {7,8,11} {1,9,11} {2,9,11} {3,9,11} {4,9,11} {5,9,11} {6,9,11} {7,9,11} {8,9,11} {1,10,11} {2,10,11} {3,10,11} {4,10,11} {5,10,11} {6,10,11} {7,10,11} {8,10,11} {1,2,12} {1,3,12} {2,3,12} {1,4,12} {2,4,12} {3,4,12} {1,5,12} {2,5,12} {3,5,12} {4,5,12} {1,6,12} {2,6,12} {3,6,12} {4,6,12} {5,6,12} {1,7,12} {2,7,12} {3,7,12} {4,7,12} {5,7,12} {6,7,12} {1,8,12} {2,8,12} {3,8,12} {4,8,12} {5,8,12} {6,8,12} {7,8,12} {1,9,12} {2,9,12} {4,9,12} {5,9,12} {6,9,12} {7,9,12} {8,9,12} {1,10,12} {2,10,12} {3,10,12} {4,10,12} {5,10,12} {6,10,12} {7,10,12} {9,10,12} {1,11,12} {3,11,12} {4,11,12} {5,11,12} {6,11,12} {7,11,12} {8,11,12} {9,11,12} {10,11,12}
Non-bases (17){1,2,3} {1,2,4} {1,3,4} {2,3,4} {1,5,6} {2,5,7} {3,5,8} {6,7,8} {4,5,9} {2,6,10} {1,7,10} {3,6,11} {4,7,11} {9,10,11} {3,9,12} {8,10,12} {2,11,12}
Circuits (362){1,2,3} {1,2,4} {1,3,4} {2,3,4} {1,5,6} {2,3,5,6} {2,4,5,6} {3,4,5,6} {2,5,7} {1,3,5,7} {1,4,5,7} {3,4,5,7} {1,2,6,7} {1,3,6,7} {2,3,6,7} {1,4,6,7} {2,4,6,7} {3,4,6,7} {3,5,6,7} {4,5,6,7} {1,2,5,8} {3,5,8} {1,4,5,8} {2,4,5,8} {1,2,6,8} {1,3,6,8} {2,3,6,8} {1,4,6,8} {2,4,6,8} {3,4,6,8} {2,5,6,8} {4,5,6,8} {1,2,7,8} {1,3,7,8} {2,3,7,8} {1,4,7,8} {2,4,7,8} {3,4,7,8} {1,5,7,8} {4,5,7,8} {6,7,8} {1,2,5,9} {1,3,5,9} {2,3,5,9} {4,5,9} {1,2,6,9} {1,3,6,9} {2,3,6,9} {1,4,6,9} {2,4,6,9} {3,4,6,9} {2,5,6,9} {3,5,6,9} {1,2,7,9} {1,3,7,9} {2,3,7,9} {1,4,7,9} {2,4,7,9} {3,4,7,9} {1,5,7,9} {3,5,7,9} {1,6,7,9} {2,6,7,9} {3,6,7,9} {4,6,7,9} {5,6,7,9} {1,2,8,9} {1,3,8,9} {2,3,8,9} {1,4,8,9} {2,4,8,9} {3,4,8,9} {1,5,8,9} {2,5,8,9} {1,6,8,9} {2,6,8,9} {3,6,8,9} {4,6,8,9} {5,6,8,9} {1,7,8,9} {2,7,8,9} {3,7,8,9} {4,7,8,9} {5,7,8,9} {1,2,5,10} {1,3,5,10} {2,3,5,10} {1,4,5,10} {2,4,5,10} {3,4,5,10} {2,6,10} {1,3,6,10} {1,4,6,10} {3,4,6,10} {3,5,6,10} {4,5,6,10} {1,7,10} {2,3,7,10} {2,4,7,10} {3,4,7,10} {3,5,7,10} {4,5,7,10} {3,6,7,10} {4,6,7,10} {5,6,7,10} {1,2,8,10} {1,3,8,10} {2,3,8,10} {1,4,8,10} {2,4,8,10} {3,4,8,10} {1,5,8,10} {2,5,8,10} {4,5,8,10} {1,6,8,10} {3,6,8,10} {4,6,8,10} {5,6,8,10} {2,7,8,10} {3,7,8,10} {4,7,8,10} {5,7,8,10} {1,2,9,10} {1,3,9,10} {2,3,9,10} {1,4,9,10} {2,4,9,10} {3,4,9,10} {1,5,9,10} {2,5,9,10} {3,5,9,10} {1,6,9,10} {3,6,9,10} {4,6,9,10} {5,6,9,10} {2,7,9,10} {3,7,9,10} {4,7,9,10} {5,7,9,10} {6,7,9,10} {1,8,9,10} {2,8,9,10} {3,8,9,10} {4,8,9,10} {5,8,9,10} {6,8,9,10} {7,8,9,10} {1,2,5,11} {1,3,5,11} {2,3,5,11} {1,4,5,11} {2,4,5,11} {3,4,5,11} {1,2,6,11} {3,6,11} {1,4,6,11} {2,4,6,11} {2,5,6,11} {4,5,6,11} {1,2,7,11} {1,3,7,11} {2,3,7,11} {4,7,11} {1,5,7,11} {3,5,7,11} {1,6,7,11} {2,6,7,11} {5,6,7,11} {1,2,8,11} {1,3,8,11} {2,3,8,11} {1,4,8,11} {2,4,8,11} {3,4,8,11} {1,5,8,11} {2,5,8,11} {4,5,8,11} {1,6,8,11} {2,6,8,11} {4,6,8,11} {5,6,8,11} {1,7,8,11} {2,7,8,11} {3,7,8,11} {5,7,8,11} {1,2,9,11} {1,3,9,11} {2,3,9,11} {1,4,9,11} {2,4,9,11} {3,4,9,11} {1,5,9,11} {2,5,9,11} {3,5,9,11} {1,6,9,11} {2,6,9,11} {4,6,9,11} {5,6,9,11} {1,7,9,11} {2,7,9,11} {3,7,9,11} {5,7,9,11} {6,7,9,11} {1,8,9,11} {2,8,9,11} {3,8,9,11} {4,8,9,11} {5,8,9,11} {6,8,9,11} {7,8,9,11} {1,2,10,11} {1,3,10,11} {2,3,10,11} {1,4,10,11} {2,4,10,11} {3,4,10,11} {1,5,10,11} {2,5,10,11} {3,5,10,11} {4,5,10,11} {1,6,10,11} {4,6,10,11} {5,6,10,11} {2,7,10,11} {3,7,10,11} {5,7,10,11} {6,7,10,11} {1,8,10,11} {2,8,10,11} {3,8,10,11} {4,8,10,11} {5,8,10,11} {6,8,10,11} {7,8,10,11} {9,10,11} {1,2,5,12} {1,3,5,12} {2,3,5,12} {1,4,5,12} {2,4,5,12} {3,4,5,12} {1,2,6,12} {1,3,6,12} {2,3,6,12} {1,4,6,12} {2,4,6,12} {3,4,6,12} {2,5,6,12} {3,5,6,12} {4,5,6,12} {1,2,7,12} {1,3,7,12} {2,3,7,12} {1,4,7,12} {2,4,7,12} {3,4,7,12} {1,5,7,12} {3,5,7,12} {4,5,7,12} {1,6,7,12} {2,6,7,12} {3,6,7,12} {4,6,7,12} {5,6,7,12} {1,2,8,12} {1,3,8,12} {2,3,8,12} {1,4,8,12} {2,4,8,12} {3,4,8,12} {1,5,8,12} {2,5,8,12} {4,5,8,12} {1,6,8,12} {2,6,8,12} {3,6,8,12} {4,6,8,12} {5,6,8,12} {1,7,8,12} {2,7,8,12} {3,7,8,12} {4,7,8,12} {5,7,8,12} {1,2,9,12} {3,9,12} {1,4,9,12} {2,4,9,12} {1,5,9,12} {2,5,9,12} {1,6,9,12} {2,6,9,12} {4,6,9,12} {5,6,9,12} {1,7,9,12} {2,7,9,12} {4,7,9,12} {5,7,9,12} {6,7,9,12} {1,8,9,12} {2,8,9,12} {4,8,9,12} {5,8,9,12} {6,8,9,12} {7,8,9,12} {1,2,10,12} {1,3,10,12} {2,3,10,12} {1,4,10,12} {2,4,10,12} {3,4,10,12} {1,5,10,12} {2,5,10,12} {3,5,10,12} {4,5,10,12} {1,6,10,12} {3,6,10,12} {4,6,10,12} {5,6,10,12} {2,7,10,12} {3,7,10,12} {4,7,10,12} {5,7,10,12} {6,7,10,12} {8,10,12} {1,9,10,12} {2,9,10,12} {4,9,10,12} {5,9,10,12} {6,9,10,12} {7,9,10,12} {2,11,12} {1,3,11,12} {1,4,11,12} {3,4,11,12} {1,5,11,12} {3,5,11,12} {4,5,11,12} {1,6,11,12} {4,6,11,12} {5,6,11,12} {1,7,11,12} {3,7,11,12} {5,7,11,12} {6,7,11,12} {1,8,11,12} {3,8,11,12} {4,8,11,12} {5,8,11,12} {6,8,11,12} {7,8,11,12} {1,9,11,12} {4,9,11,12} {5,9,11,12} {6,9,11,12} {7,9,11,12} {8,9,11,12} {1,10,11,12} {3,10,11,12} {4,10,11,12} {5,10,11,12} {6,10,11,12} {7,10,11,12}
Flats by rank (49)
Hyperplanes (35){1,2,3,4} {4,6} {1,5,6} {3,7} {2,5,7} {1,8} {2,8} {4,8} {3,5,8} {6,7,8} {1,9} {2,9} {4,5,9} {6,9} {7,9} {8,9} {3,10} {4,10} {5,10} {2,6,10} {1,7,10} {1,11} {5,11} {3,6,11} {4,7,11} {8,11} {9,10,11} {1,12} {4,12} {5,12} {6,12} {7,12} {3,9,12} {8,10,12} {2,11,12}
Lines (14){1,2,3,4} {1,5,6} {2,5,7} {3,5,8} {6,7,8} {4,5,9} {2,6,10} {1,7,10} {3,6,11} {4,7,11} {9,10,11} {3,9,12} {8,10,12} {2,11,12}
Dual (rank 9)

Revlex encoding in this labeling (not canonicalized, so not linked): ********0**0************0******************************0*************************0*****0********************************0***0*****************************0*********0***********0***************0**********0************0000

Bases: {3,4,6,7,8,9,10,11,12} {2,4,6,7,8,9,10,11,12} {1,4,6,7,8,9,10,11,12} {2,3,6,7,8,9,10,11,12} {1,3,6,7,8,9,10,11,12} {1,2,6,7,8,9,10,11,12} {3,4,5,7,8,9,10,11,12} {2,4,5,7,8,9,10,11,12} {1,4,5,7,8,9,10,11,12} {2,3,5,7,8,9,10,11,12} {1,3,5,7,8,9,10,11,12} {1,2,5,7,8,9,10,11,12} {1,3,4,7,8,9,10,11,12} {1,2,4,7,8,9,10,11,12} {1,2,3,7,8,9,10,11,12} {3,4,5,6,8,9,10,11,12} {2,4,5,6,8,9,10,11,12} {1,4,5,6,8,9,10,11,12} {2,3,5,6,8,9,10,11,12} {1,3,5,6,8,9,10,11,12} {1,2,5,6,8,9,10,11,12} {2,3,4,6,8,9,10,11,12} {1,2,4,6,8,9,10,11,12} {1,2,3,6,8,9,10,11,12} {2,3,4,5,8,9,10,11,12} {1,3,4,5,8,9,10,11,12} {1,2,4,5,8,9,10,11,12} {1,2,3,5,8,9,10,11,12} {1,2,3,4,8,9,10,11,12} {3,4,5,6,7,9,10,11,12} {2,4,5,6,7,9,10,11,12} {1,4,5,6,7,9,10,11,12} {2,3,5,6,7,9,10,11,12} {1,3,5,6,7,9,10,11,12} {1,2,5,6,7,9,10,11,12} {2,3,4,6,7,9,10,11,12} {1,3,4,6,7,9,10,11,12} {1,2,3,6,7,9,10,11,12} {2,3,4,5,7,9,10,11,12} {1,3,4,5,7,9,10,11,12} {1,2,4,5,7,9,10,11,12} {1,2,3,5,7,9,10,11,12} {1,2,3,4,7,9,10,11,12} {2,3,4,5,6,9,10,11,12} {1,3,4,5,6,9,10,11,12} {1,2,4,5,6,9,10,11,12} {1,2,3,5,6,9,10,11,12} {1,2,3,4,6,9,10,11,12} {3,4,5,6,7,8,10,11,12} {2,4,5,6,7,8,10,11,12} {1,4,5,6,7,8,10,11,12} {2,3,5,6,7,8,10,11,12} {1,3,5,6,7,8,10,11,12} {1,2,5,6,7,8,10,11,12} {2,3,4,6,7,8,10,11,12} {1,3,4,6,7,8,10,11,12} {1,2,4,6,7,8,10,11,12} {2,3,4,5,7,8,10,11,12} {1,3,4,5,7,8,10,11,12} {1,2,4,5,7,8,10,11,12} {1,2,3,5,7,8,10,11,12} {1,2,3,4,7,8,10,11,12} {2,3,4,5,6,8,10,11,12} {1,3,4,5,6,8,10,11,12} {1,2,4,5,6,8,10,11,12} {1,2,3,5,6,8,10,11,12} {1,2,3,4,6,8,10,11,12} {1,2,3,4,5,8,10,11,12} {2,3,4,5,6,7,10,11,12} {1,3,4,5,6,7,10,11,12} {1,2,4,5,6,7,10,11,12} {1,2,3,5,6,7,10,11,12} {1,2,3,4,6,7,10,11,12} {1,2,3,4,5,7,10,11,12} {1,2,3,4,5,6,10,11,12} {3,4,5,6,7,8,9,11,12} {2,4,5,6,7,8,9,11,12} {1,4,5,6,7,8,9,11,12} {2,3,5,6,7,8,9,11,12} {1,3,5,6,7,8,9,11,12} {1,2,5,6,7,8,9,11,12} {2,3,4,6,7,8,9,11,12} {1,3,4,6,7,8,9,11,12} {1,2,4,6,7,8,9,11,12} {1,2,3,6,7,8,9,11,12} {2,3,4,5,7,8,9,11,12} {1,2,4,5,7,8,9,11,12} {1,2,3,5,7,8,9,11,12} {1,2,3,4,7,8,9,11,12} {1,3,4,5,6,8,9,11,12} {1,2,4,5,6,8,9,11,12} {1,2,3,5,6,8,9,11,12} {1,2,3,4,6,8,9,11,12} {1,2,3,4,5,8,9,11,12} {2,3,4,5,6,7,9,11,12} {1,3,4,5,6,7,9,11,12} {1,2,4,5,6,7,9,11,12} {1,2,3,5,6,7,9,11,12} {1,2,3,4,6,7,9,11,12} {1,2,3,4,5,7,9,11,12} {1,2,3,4,5,6,9,11,12} {2,3,4,5,6,7,8,11,12} {1,3,4,5,6,7,8,11,12} {1,2,4,5,6,7,8,11,12} {1,2,3,5,6,7,8,11,12} {1,2,3,4,6,7,8,11,12} {1,2,3,4,5,7,8,11,12} {1,2,3,4,5,6,8,11,12} {1,2,3,4,5,6,7,11,12} {3,4,5,6,7,8,9,10,12} {2,4,5,6,7,8,9,10,12} {1,4,5,6,7,8,9,10,12} {2,3,5,6,7,8,9,10,12} {1,3,5,6,7,8,9,10,12} {1,2,5,6,7,8,9,10,12} {2,3,4,6,7,8,9,10,12} {1,3,4,6,7,8,9,10,12} {1,2,4,6,7,8,9,10,12} {1,2,3,6,7,8,9,10,12} {2,3,4,5,7,8,9,10,12} {1,3,4,5,7,8,9,10,12} {1,2,3,5,7,8,9,10,12} {1,2,3,4,7,8,9,10,12} {2,3,4,5,6,8,9,10,12} {1,3,4,5,6,8,9,10,12} {1,2,4,5,6,8,9,10,12} {1,2,3,4,6,8,9,10,12} {1,2,3,4,5,8,9,10,12} {2,3,4,5,6,7,9,10,12} {1,3,4,5,6,7,9,10,12} {1,2,4,5,6,7,9,10,12} {1,2,3,5,6,7,9,10,12} {1,2,3,4,6,7,9,10,12} {1,2,3,4,5,7,9,10,12} {1,2,3,4,5,6,9,10,12} {2,3,4,5,6,7,8,10,12} {1,3,4,5,6,7,8,10,12} {1,2,4,5,6,7,8,10,12} {1,2,3,5,6,7,8,10,12} {1,2,3,4,6,7,8,10,12} {1,2,3,4,5,7,8,10,12} {1,2,3,4,5,6,8,10,12} {1,2,3,4,5,6,7,10,12} {2,3,4,5,6,7,8,9,12} {1,3,4,5,6,7,8,9,12} {1,2,4,5,6,7,8,9,12} {1,2,3,5,6,7,8,9,12} {1,2,3,4,6,7,8,9,12} {1,2,3,4,5,7,8,9,12} {1,2,3,4,5,6,8,9,12} {1,2,3,4,5,6,7,9,12} {3,4,5,6,7,8,9,10,11} {2,4,5,6,7,8,9,10,11} {1,4,5,6,7,8,9,10,11} {2,3,5,6,7,8,9,10,11} {1,3,5,6,7,8,9,10,11} {1,2,5,6,7,8,9,10,11} {2,3,4,6,7,8,9,10,11} {1,3,4,6,7,8,9,10,11} {1,2,4,6,7,8,9,10,11} {1,2,3,6,7,8,9,10,11} {2,3,4,5,7,8,9,10,11} {1,3,4,5,7,8,9,10,11} {1,2,4,5,7,8,9,10,11} {1,2,3,5,7,8,9,10,11} {1,2,3,4,7,8,9,10,11} {2,3,4,5,6,8,9,10,11} {1,3,4,5,6,8,9,10,11} {1,2,4,5,6,8,9,10,11} {1,2,3,5,6,8,9,10,11} {1,2,3,4,6,8,9,10,11} {1,2,3,4,5,8,9,10,11} {2,3,4,5,6,7,9,10,11} {1,3,4,5,6,7,9,10,11} {1,2,4,5,6,7,9,10,11} {1,2,3,5,6,7,9,10,11} {1,2,3,4,6,7,9,10,11} {1,2,3,4,5,7,9,10,11} {1,2,3,4,5,6,9,10,11} {2,3,4,5,6,7,8,10,11} {1,3,4,5,6,7,8,10,11} {1,2,3,5,6,7,8,10,11} {1,2,3,4,6,7,8,10,11} {1,2,3,4,5,7,8,10,11} {1,2,3,4,5,6,8,10,11} {1,2,3,4,5,6,7,10,11} {2,3,4,5,6,7,8,9,11} {1,3,4,5,6,7,8,9,11} {1,2,4,5,6,7,8,9,11} {1,2,3,5,6,7,8,9,11} {1,2,3,4,6,7,8,9,11} {1,2,3,4,5,7,8,9,11} {1,2,3,4,5,6,8,9,11} {1,2,3,4,5,6,7,8,11} {2,3,4,5,6,7,8,9,10} {1,2,4,5,6,7,8,9,10} {1,2,3,5,6,7,8,9,10} {1,2,3,4,6,7,8,9,10} {1,2,3,4,5,7,8,9,10} {1,2,3,4,5,6,8,9,10} {1,2,3,4,5,6,7,9,10} {1,2,3,4,5,6,7,8,10} {1,2,3,4,5,6,7,8,9}

Loops: none. Parallel classes of size > 1: none.

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