Matroid 3.11.287671
| Label | 3.11.287671 |
|---|---|
| Id | r3_n11_0000000000000******0000******0000**000******0***00******000******0***00*********000*000******0********00*000************000******0*****************0000**********0*** |
| Rank | 3 |
| n | 11 |
Basic invariants
Representability
| Characteristic set | characteristic 0 and all primes except 2 [0,2] |
|---|---|
| Realizable | yes |
| Realizable char0 | yes |
| Regular | no |
| Binary | no |
| Ternary | yes |
| Quaternary | no |
| Graphic | no |
Realization space
| Status | computed_realization_space |
|---|---|
| Dimension of realization space | 3 |
| Expected dimension over ℤ | 1 |
| Components of realization space | not computed |
| Free realization space | yes |
| Principal ideal | yes |
| Birational type | rational how determined: birational type method: rigid |
| Birational type components | show[
{
"dim": 0,
"free_rank": 0,
"torus_rank": 0,
"core_dim": 0,
"qbar_components": 1,
"type": "rational",
"reason": "rigid: unique realization over Q (integer matrix)"
}
] |
| Good basis | unknown |
| Good basis v2 | 1,4,6 |
Geometry
| Realization space: scheme simple core id | r3_n8_0000************0**********0****0**********0**0******0** |
|---|---|
| Smooth char 0 | unknown |
| Singular primes | unknown |
| Realization space: smooth over ℚ | not computed |
| Realization space: smooth over ℤ | yes how determined: smoothness method: simple_core smoothness witness: r3_n8_0000************0**********0****0**********0**0******0** |
| Realization space: is regular scheme | yes how determined: regularity method: simple_core regularity witness: r3_n8_0000************0**********0****0**********0**0******0** |
| Realization space: singular fiber primes | [] how determined: singular fiber primes method: simple_core |
| Realization space: singular fiber characteristics | not computed |
| Realization space: characteristic dimensions | show[
{
"p": 0,
"d": 0
}
]how determined: characteristic dimensions method: simple_core |
| Realization space: characteristic dimension unexpected | no |
| Realization space: characteristic dimension varies | no |
Other
| Char poly splits | true |
|---|---|
| Simplicial arrangement | yes |
| Realization space: n qbar components | not computed |
Tutte polynomial
\(T = x_{0}^{3} + x_{0}^{2} x_{1}^{2} + 2 x_{0}^{2} x_{1} + 5 x_{0}^{2} + 5 x_{0} x_{1}^{3} + 9 x_{0} x_{1}^{2} + 12 x_{0} x_{1} + 6 x_{0} + x_{1}^{8} + 3 x_{1}^{7} + 6 x_{1}^{6} + 10 x_{1}^{5} + 15 x_{1}^{4} + 16 x_{1}^{3} + 13 x_{1}^{2} + 6 x_{1}\)
Realization space
| Ring | \(\mathbb{Z}\) |
|---|---|
| Defining ideal | \(\left(0\right)\) |
| Inequations | \(2 \neq 0\) |
| Realization matrix | \(\begin{pmatrix}1 & 1 & 1 & 0 & 0 & 0 & 1 & 0 & 0 & 1 & 1 \\ 0 & 0 & 0 & 1 & 1 & 0 & 0 & 1 & 1 & 1 & 1 \\ 0 & 0 & 0 & 0 & 0 & 1 & 1 & 1 & 2 & 1 & 2\end{pmatrix}\) |
Combinatorics
Computed on the fly from the id.
Bases (111)
{1,4,6} {2,4,6} {3,4,6} {1,5,6} {2,5,6} {3,5,6} {1,4,7} {2,4,7} {3,4,7} {1,5,7} {2,5,7} {3,5,7} {4,6,7} {5,6,7} {1,4,8} {2,4,8} {3,4,8} {1,5,8} {2,5,8} {3,5,8} {1,6,8} {2,6,8} {3,6,8} {1,7,8} {2,7,8} {3,7,8} {4,7,8} {5,7,8} {6,7,8} {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} {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} {7,8,9} {1,4,10} {2,4,10} {3,4,10} {1,5,10} {2,5,10} {3,5,10} {1,6,10} {2,6,10} {3,6,10} {4,6,10} {5,6,10} {1,7,10} {2,7,10} {3,7,10} {6,7,10} {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} {1,4,11} {2,4,11} {3,4,11} {1,5,11} {2,5,11} {3,5,11} {1,6,11} {2,6,11} {3,6,11} {4,6,11} {5,6,11} {1,7,11} {2,7,11} {3,7,11} {4,7,11} {5,7,11} {6,7,11} {1,8,11} {2,8,11} {3,8,11} {4,8,11} {5,8,11} {6,8,11} {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} {7,10,11} {8,10,11} {9,10,11}Non-bases (54)
{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} {1,2,6} {1,3,6} {2,3,6} {4,5,6} {1,2,7} {1,3,7} {2,3,7} {4,5,7} {1,6,7} {2,6,7} {3,6,7} {1,2,8} {1,3,8} {2,3,8} {4,5,8} {4,6,8} {5,6,8} {1,2,9} {1,3,9} {2,3,9} {4,5,9} {4,6,9} {5,6,9} {4,8,9} {5,8,9} {6,8,9} {1,2,10} {1,3,10} {2,3,10} {4,5,10} {4,7,10} {5,7,10} {1,8,10} {2,8,10} {3,8,10} {1,2,11} {1,3,11} {2,3,11} {4,5,11} {7,8,11} {1,9,11} {2,9,11} {3,9,11} {6,10,11}Circuits (101)
{1,2} {1,3} {2,3} {4,5} {1,6,7} {2,6,7} {3,6,7} {4,6,8} {5,6,8} {1,4,7,8} {2,4,7,8} {3,4,7,8} {1,5,7,8} {2,5,7,8} {3,5,7,8} {4,6,9} {5,6,9} {1,4,7,9} {2,4,7,9} {3,4,7,9} {1,5,7,9} {2,5,7,9} {3,5,7,9} {4,8,9} {5,8,9} {6,8,9} {1,7,8,9} {2,7,8,9} {3,7,8,9} {1,4,6,10} {2,4,6,10} {3,4,6,10} {1,5,6,10} {2,5,6,10} {3,5,6,10} {4,7,10} {5,7,10} {1,8,10} {2,8,10} {3,8,10} {6,7,8,10} {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} {2,6,9,10} {3,6,9,10} {1,7,9,10} {2,7,9,10} {3,7,9,10} {6,7,9,10} {7,8,9,10} {1,4,6,11} {2,4,6,11} {3,4,6,11} {1,5,6,11} {2,5,6,11} {3,5,6,11} {1,4,7,11} {2,4,7,11} {3,4,7,11} {1,5,7,11} {2,5,7,11} {3,5,7,11} {4,6,7,11} {5,6,7,11} {1,4,8,11} {2,4,8,11} {3,4,8,11} {1,5,8,11} {2,5,8,11} {3,5,8,11} {1,6,8,11} {2,6,8,11} {3,6,8,11} {7,8,11} {1,9,11} {2,9,11} {3,9,11} {4,7,9,11} {5,7,9,11} {6,7,9,11} {1,4,10,11} {2,4,10,11} {3,4,10,11} {1,5,10,11} {2,5,10,11} {3,5,10,11} {6,10,11} {1,7,10,11} {2,7,10,11} {3,7,10,11} {4,8,10,11} {5,8,10,11} {4,9,10,11} {5,9,10,11} {7,9,10,11} {8,9,10,11}Flats by rank (21)
- rank 0 (1): {}
- rank 1 (8): {1,2,3} {4,5} {6} {7} {8} {9} {10} {11}
- rank 2 (11): {1,2,3,4,5} {1,2,3,6,7} {7,9} {4,5,6,8,9} {4,5,7,10} {1,2,3,8,10} {9,10} {4,5,11} {7,8,11} {1,2,3,9,11} {6,10,11}
- rank 3 (1): {1,2,3,4,5,6,7,8,9,10,11}
Hyperplanes (11)
{1,2,3,4,5} {1,2,3,6,7} {7,9} {4,5,6,8,9} {4,5,7,10} {1,2,3,8,10} {9,10} {4,5,11} {7,8,11} {1,2,3,9,11} {6,10,11}Lines (7)
{1,2,3,6,7} {4,5,6,8,9} {4,5,7,10} {1,2,3,8,10} {7,8,11} {1,2,3,9,11} {6,10,11}Dual (rank 8)
Revlex encoding in this labeling (not canonicalized, so not linked): ***0**********0000*****************0******000************000*00********0******000*000*********00***0******000******00***0******000**0000******0000******0000000000000
Bases: {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} {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} {1,2,3,5,8,9,10,11} {1,2,3,4,8,9,10,11} {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} {2,3,4,5,7,9,10,11} {1,3,4,5,7,9,10,11} {1,2,4,5,7,9,10,11} {2,3,4,5,6,9,10,11} {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} {1,2,3,4,5,9,10,11} {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} {2,3,4,5,7,8,10,11} {1,3,4,5,7,8,10,11} {1,2,4,5,7,8,10,11} {2,3,4,5,6,8,10,11} {1,3,4,5,6,8,10,11} {1,2,4,5,6,8,10,11} {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} {1,2,3,4,5,6,10,11} {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} {2,3,4,5,7,8,9,11} {1,3,4,5,7,8,9,11} {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} {1,2,3,4,5,8,9,11} {1,2,3,5,6,7,9,11} {1,2,3,4,6,7,9,11} {1,2,3,4,5,7,9,11} {1,2,3,4,5,6,9,11} {2,3,4,5,6,7,8,11} {1,3,4,5,6,7,8,11} {1,2,4,5,6,7,8,11} {1,2,3,5,6,7,8,11} {1,2,3,4,6,7,8,11} {1,2,3,4,5,7,8,11} {1,2,3,4,5,6,8,11} {1,2,3,4,5,6,7,11} {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} {2,3,4,5,7,8,9,10} {1,3,4,5,7,8,9,10} {1,2,4,5,7,8,9,10} {1,2,3,5,7,8,9,10} {1,2,3,4,7,8,9,10} {2,3,4,5,6,8,9,10} {1,3,4,5,6,8,9,10} {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} {1,2,4,5,6,7,9,10} {1,2,3,5,6,7,9,10} {1,2,3,4,6,7,9,10} {1,2,3,4,5,7,9,10} {1,2,3,5,6,7,8,10} {1,2,3,4,6,7,8,10} {1,2,3,4,5,7,8,10} {1,2,3,4,5,6,8,10} {1,2,3,4,5,6,7,10} {2,3,4,5,6,7,8,9} {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} {1,2,3,4,5,6,8,9} {1,2,3,4,5,6,7,9} {1,2,3,4,5,6,7,8}
Loops: none. Parallel classes of size > 1: {1,2,3} {4,5}.
Downloads
- Record as JSON
- OSCAR:
matroid_from_revlex_basis_encoding("0000000000000******0000******0000**000******0***00******000******0***00*********000*000******0********00*000************000******0*****************0000**********0***", 3, 11)