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599 matroids, showing 1–50
| label ▼ | rank ⇅ | n ⇅ | #bases ⇅ | #automorphisms ⇅ | simple ⇅ | char set ⇅ | rs dim ⇅ | birational type ⇅ |
|---|---|---|---|---|---|---|---|---|
| 4.9.171662 | 4 | 9 | 107 | 2 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.168758 | 4 | 9 | 109 | 2 | ✓ | all | 4 | rational over Q(a)/(a^2 + 1) |
| 4.9.168536 | 4 | 9 | 109 | 1 | ✓ | all | 1 | rational over Q(a)/(a^2 + 1) |
| 4.9.167409 | 4 | 9 | 109 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.167294 | 4 | 9 | 109 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 + 1) |
| 4.9.167240 | 4 | 9 | 109 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.166924 | 4 | 9 | 109 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.161521 | 4 | 9 | 109 | 8 | ✓ | all but 2 | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.159509 | 4 | 9 | 109 | 2 | ✓ | all | 3 | rational over Q(a)/(a^2 + 1) |
| 4.9.150041 | 4 | 9 | 112 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 + 1) |
| 4.9.149200 | 4 | 9 | 112 | 2 | ✓ | all | 1 | rational over Q(a)/(a^2 + 1) |
| 4.9.147881 | 4 | 9 | 112 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 + 1) |
| 4.9.147867 | 4 | 9 | 112 | 2 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.145912 | 4 | 9 | 112 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 + 1) |
| 4.9.143692 | 4 | 9 | 112 | 1 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 + 1) |
| 4.9.142990 | 4 | 9 | 112 | 1 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 + 1) |
| 4.9.141743 | 4 | 9 | 112 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.139091 | 4 | 9 | 112 | 1 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 + 1) |
| 4.9.138883 | 4 | 9 | 112 | 2 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 + 1) |
| 4.9.138760 | 4 | 9 | 112 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.138520 | 4 | 9 | 112 | 1 | ✓ | all but 2 | 1 | rational over Q(a)/(a^2 + 1) |
| 4.9.138148 | 4 | 9 | 112 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.137061 | 4 | 9 | 112 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.134046 | 4 | 9 | 112 | 1 | ✓ | all | 4 | rational over Q(a)/(a^2 + 1) |
| 4.9.133422 | 4 | 9 | 112 | 1 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 + 1) |
| 4.9.130180 | 4 | 9 | 112 | 1 | ✓ | all | 4 | rational over Q(a)/(a^2 + 1) |
| 4.9.129516 | 4 | 9 | 112 | 2 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.127347 | 4 | 9 | 112 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.126551 | 4 | 9 | 112 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.122180 | 4 | 9 | 112 | 2 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.118865 | 4 | 9 | 111 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.118586 | 4 | 9 | 111 | 2 | ✓ | all | 3 | rational over Q(a)/(a^2 + 1) |
| 4.9.118555 | 4 | 9 | 111 | 1 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 + 1) |
| 4.9.118221 | 4 | 9 | 111 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 + 1) |
| 4.9.117859 | 4 | 9 | 111 | 2 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.116279 | 4 | 9 | 111 | 2 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 + 1) |
| 4.9.114773 | 4 | 9 | 111 | 8 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 + 1) |
| 4.9.110832 | 4 | 9 | 115 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 + 1) |
| 4.9.108789 | 4 | 9 | 115 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 + 1) |
| 4.9.108028 | 4 | 9 | 115 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.107415 | 4 | 9 | 115 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.104485 | 4 | 9 | 115 | 1 | ✓ | all | 3 | rational over Q(a)/(a^2 + 1) |
| 4.9.103971 | 4 | 9 | 115 | 1 | ✓ | all | 1 | rational over Q(a)/(a^2 + 1) |
| 4.9.103004 | 4 | 9 | 115 | 1 | ✓ | all | 4 | rational over Q(a)/(a^2 + 1) |
| 4.9.102791 | 4 | 9 | 115 | 1 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 + 1) |
| 4.9.102439 | 4 | 9 | 115 | 1 | ✓ | ∅ | -1 | rational over Q(a)/(a^2 + 1) |
| 4.9.102305 | 4 | 9 | 115 | 1 | ✓ | all but 2,3,5,7 | 0 | rational over Q(a)/(a^2 + 1) |
| 4.9.102227 | 4 | 9 | 115 | 1 | ✓ | all | 4 | rational over Q(a)/(a^2 + 1) |
| 4.9.102190 | 4 | 9 | 115 | 1 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |
| 4.9.102062 | 4 | 9 | 115 | 2 | ✓ | all | 2 | rational over Q(a)/(a^2 + 1) |