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1,036 matroids, showing 1–50
| label ▼ | rank ⇅ | n ⇅ | #bases ⇅ | #automorphisms ⇅ | simple ⇅ | char set ⇅ | rs dim ⇅ | birational type ⇅ |
|---|---|---|---|---|---|---|---|---|
| 4.9.181566 | 4 | 9 | 104 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.180742 | 4 | 9 | 104 | 1 | ✓ | all | 1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.179509 | 4 | 9 | 106 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.177220 | 4 | 9 | 107 | 1 | ✓ | all | 1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.177125 | 4 | 9 | 107 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.177023 | 4 | 9 | 107 | 2 | ✓ | all | 4 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.176986 | 4 | 9 | 105 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.176974 | 4 | 9 | 107 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.176951 | 4 | 9 | 107 | 1 | ✓ | all but 2,5 | 0 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.176403 | 4 | 9 | 107 | 1 | ✓ | all but 2 | 1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.175244 | 4 | 9 | 107 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.175115 | 4 | 9 | 107 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.174994 | 4 | 9 | 107 | 1 | ✓ | all but 2 | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.174749 | 4 | 9 | 105 | 2 | ✓ | all | 4 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.174260 | 4 | 9 | 107 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.174254 | 4 | 9 | 107 | 1 | ✓ | all | 4 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.173303 | 4 | 9 | 107 | 1 | ✓ | all | 1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.173266 | 4 | 9 | 107 | 1 | ✓ | all | 1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.173160 | 4 | 9 | 107 | 1 | ✓ | all | 1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.171601 | 4 | 9 | 107 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.171014 | 4 | 9 | 107 | 2 | ✓ | all | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.169933 | 4 | 9 | 106 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.169769 | 4 | 9 | 106 | 1 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.168672 | 4 | 9 | 109 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.168611 | 4 | 9 | 109 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.168599 | 4 | 9 | 109 | 1 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.168001 | 4 | 9 | 109 | 1 | ✓ | all | 4 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.167537 | 4 | 9 | 109 | 1 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.166952 | 4 | 9 | 109 | 1 | ✓ | all | 1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.166247 | 4 | 9 | 109 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.165834 | 4 | 9 | 109 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.165423 | 4 | 9 | 109 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.165306 | 4 | 9 | 109 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.165142 | 4 | 9 | 109 | 1 | ✓ | all but 2 | 1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.164833 | 4 | 9 | 109 | 2 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.164735 | 4 | 9 | 109 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.164664 | 4 | 9 | 109 | 4 | ✓ | all | 0 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.164623 | 4 | 9 | 109 | 1 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.163846 | 4 | 9 | 109 | 1 | ✓ | all | 1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.163665 | 4 | 9 | 109 | 1 | ✓ | all but 2 | 0 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.163654 | 4 | 9 | 109 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.163407 | 4 | 9 | 109 | 2 | ✓ | all | 3 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.158408 | 4 | 9 | 109 | 1 | ✓ | all | 4 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.157418 | 4 | 9 | 109 | 1 | ✓ | all but 2 | 2 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.154020 | 4 | 9 | 108 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.153999 | 4 | 9 | 108 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.152897 | 4 | 9 | 109 | 1 | ✓ | all but 2 | 1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.152662 | 4 | 9 | 109 | 1 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.152601 | 4 | 9 | 109 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 - a - 1) |
| 4.9.152361 | 4 | 9 | 109 | 1 | ✓ | all | 4 | rational over Q(a)/(a^2 - a - 1) |