Matroid database

Matroid 3.11.262790

Label3.11.262790
Idr3_n11_0000000000********************0**************0****0****0***********0*****0******0**************0******0******0***0***0***************0**0******0********0***0********
Rank3
n11
1234567891011

Affine diagram.

Basic invariants

Bases138
Circuits162
Flats31
Cyclic flats14
Loops0
Connected components1
Automorphisms2
Beta invariant15
Girth3
Simpleyes
Connectedyes
Uniformnot computed
Looplessyes
Colooplessyes
Pavingyes
Laminarno
Nestedno
Self dualno
Identically self dualno
Series parallelno
Transversalno
Supersolvableyes
Divisionally freeyes
Orientableno
Three linesyes

Representability

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

Realization space

Statuscomputed_realization_space
Dimension of realization space1
Expected dimension over ℤ-1
Components of realization spacenot computed
Free realization spaceno
Principal idealno
Birational typeempty
how determined: birational type method: empty_char0
Birational type components
show
[]
Good basis1,2,6
Good basis v21,2,10

Geometry

Realization space: scheme simple core idr3_n11_0000000000********************0**************0****0****0***********0*****0******0**************0******0******0***0***0***************0**0******0********0***0********
Smooth char 0yes
Singular primes[]
Realization space: smooth over ℚnot computed
Realization space: smooth over ℤno
how determined: smoothness method: nonflat_vertical
Realization space: is regular schemeyes
how determined: regularity method: direct_vertical_fiber_jacobian
Realization space: singular fiber primes[]
how determined: singular fiber primes method: direct_vertical_fiber_jacobian
Realization space: singular fiber characteristicsnot computed
Realization space: characteristic dimensions
show
[
 {
  "p": 2,
  "d": 0
 }
]
how determined: characteristic dimensions method: finite_exact_fiber_saturation
Realization space: characteristic dimension unexpectedyes
Realization space: characteristic dimension variesno

Other

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

Tutte polynomial

\(T = x_{0}^{3} + 8 x_{0}^{2} + x_{0} x_{1}^{3} + 4 x_{0} x_{1}^{2} + 16 x_{0} x_{1} + 15 x_{0} + x_{1}^{8} + 3 x_{1}^{7} + 6 x_{1}^{6} + 10 x_{1}^{5} + 15 x_{1}^{4} + 20 x_{1}^{3} + 23 x_{1}^{2} + 15 x_{1}\)

Realization space

Ring\(\mathbb{Z}[x_{1}]\)
Defining ideal\(\left(2,\ x_{1}^{2} - x_{1} - 1\right)\)
Inequationsnone
Realization matrix\(\begin{pmatrix}1 & 0 & 1 & 1 & 1 & 0 & 1 & 1 & 0 & 0 & 1 \\ 0 & 1 & 1 & -x_{1}^{2} & -x_{1} & 1 & x_{1}^{2} & -x_{1} & 1 & 0 & 0 \\ 0 & 0 & 0 & 0 & 0 & 1 & x_{1}^{2} & -x_{1} & x_{1} & 1 & x_{1}^{2}\end{pmatrix}\)

Combinatorics

Computed on the fly from the id.

Bases (138){1,2,6} {1,3,6} {2,3,6} {1,4,6} {2,4,6} {3,4,6} {1,5,6} {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} {2,5,7} {3,5,7} {4,5,7} {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} {3,5,8} {4,5,8} {2,6,8} {3,6,8} {4,6,8} {5,6,8} {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} {4,5,9} {1,6,9} {3,6,9} {4,6,9} {5,6,9} {1,7,9} {2,7,9} {4,7,9} {5,7,9} {6,7,9} {1,8,9} {2,8,9} {3,8,9} {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} {1,7,10} {2,7,10} {3,7,10} {5,7,10} {6,7,10} {1,8,10} {2,8,10} {3,8,10} {4,8,10} {6,8,10} {7,8,10} {1,9,10} {3,9,10} {4,9,10} {5,9,10} {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} {3,6,11} {5,6,11} {1,7,11} {3,7,11} {4,7,11} {5,7,11} {6,7,11} {1,8,11} {2,8,11} {4,8,11} {5,8,11} {6,8,11} {7,8,11} {1,9,11} {2,9,11} {3,9,11} {4,9,11} {6,9,11} {7,9,11} {8,9,11} {2,10,11} {3,10,11} {4,10,11} {5,10,11} {6,10,11} {7,10,11} {8,10,11} {9,10,11}
Non-bases (27){1,2,3} {1,2,4} {1,3,4} {2,3,4} {1,2,5} {1,3,5} {2,3,5} {1,4,5} {2,4,5} {3,4,5} {1,6,7} {1,6,8} {1,7,8} {6,7,8} {2,6,9} {3,7,9} {4,8,9} {2,6,10} {4,7,10} {5,8,10} {2,9,10} {6,9,10} {4,6,11} {2,7,11} {3,8,11} {5,9,11} {1,10,11}
Circuits (162){1,2,3} {1,2,4} {1,3,4} {2,3,4} {1,2,5} {1,3,5} {2,3,5} {1,4,5} {2,4,5} {3,4,5} {1,6,7} {2,3,6,7} {2,4,6,7} {3,4,6,7} {2,5,6,7} {3,5,6,7} {4,5,6,7} {1,6,8} {2,3,6,8} {2,4,6,8} {3,4,6,8} {2,5,6,8} {3,5,6,8} {4,5,6,8} {1,7,8} {2,3,7,8} {2,4,7,8} {3,4,7,8} {2,5,7,8} {3,5,7,8} {4,5,7,8} {6,7,8} {2,6,9} {1,3,6,9} {1,4,6,9} {3,4,6,9} {1,5,6,9} {3,5,6,9} {4,5,6,9} {1,2,7,9} {3,7,9} {1,4,7,9} {2,4,7,9} {1,5,7,9} {2,5,7,9} {4,5,7,9} {4,6,7,9} {5,6,7,9} {1,2,8,9} {1,3,8,9} {2,3,8,9} {4,8,9} {1,5,8,9} {2,5,8,9} {3,5,8,9} {3,6,8,9} {5,6,8,9} {2,7,8,9} {5,7,8,9} {2,6,10} {1,3,6,10} {1,4,6,10} {3,4,6,10} {1,5,6,10} {3,5,6,10} {4,5,6,10} {1,2,7,10} {1,3,7,10} {2,3,7,10} {4,7,10} {1,5,7,10} {2,5,7,10} {3,5,7,10} {3,6,7,10} {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} {5,8,10} {3,6,8,10} {4,6,8,10} {2,7,8,10} {3,7,8,10} {2,9,10} {1,3,9,10} {1,4,9,10} {3,4,9,10} {1,5,9,10} {3,5,9,10} {4,5,9,10} {6,9,10} {1,7,9,10} {5,7,9,10} {1,8,9,10} {3,8,9,10} {7,8,9,10} {1,2,6,11} {1,3,6,11} {2,3,6,11} {4,6,11} {1,5,6,11} {2,5,6,11} {3,5,6,11} {2,7,11} {1,3,7,11} {1,4,7,11} {3,4,7,11} {1,5,7,11} {3,5,7,11} {4,5,7,11} {3,6,7,11} {5,6,7,11} {1,2,8,11} {3,8,11} {1,4,8,11} {2,4,8,11} {1,5,8,11} {2,5,8,11} {4,5,8,11} {2,6,8,11} {5,6,8,11} {4,7,8,11} {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} {5,9,11} {1,6,9,11} {3,6,9,11} {1,7,9,11} {4,7,9,11} {6,7,9,11} {1,8,9,11} {2,8,9,11} {6,8,9,11} {7,8,9,11} {1,10,11} {2,3,10,11} {2,4,10,11} {3,4,10,11} {2,5,10,11} {3,5,10,11} {4,5,10,11} {3,6,10,11} {5,6,10,11} {3,7,10,11} {5,7,10,11} {6,7,10,11} {2,8,10,11} {4,8,10,11} {6,8,10,11} {7,8,10,11} {3,9,10,11} {4,9,10,11} {7,9,10,11} {8,9,10,11}
Flats by rank (31)
Hyperplanes (18){1,2,3,4,5} {3,6} {5,6} {5,7} {2,8} {1,6,7,8} {1,9} {3,7,9} {4,8,9} {3,10} {4,7,10} {5,8,10} {2,6,9,10} {4,6,11} {2,7,11} {3,8,11} {5,9,11} {1,10,11}
Lines (12){1,2,3,4,5} {1,6,7,8} {3,7,9} {4,8,9} {4,7,10} {5,8,10} {2,6,9,10} {4,6,11} {2,7,11} {3,8,11} {5,9,11} {1,10,11}
Dual (rank 8)

Revlex encoding in this labeling (not canonicalized, so not linked): ********0***0********0******0**0***************0***0***0******0******0**************0******0*****0***********0****0****0**************0********************0000000000

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

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

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