Matroid database

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2,017,782 matroids, showing 18,301–18,350

label ▲rank ⇅n ⇅#bases ⇅#automorphisms ⇅simple ⇅char set ⇅rs dim ⇅birational type ⇅
3.12.1131283122091✓all0?
3.12.1131333122101✓all but 20?
3.12.1131553122091✓all0?
3.12.1131663122091✓all but 2,3,5,13,170?
3.12.1131703122091✓all0?
3.12.1131723122081✓all but 20?
3.12.1131943122101✓all but 20?
3.12.1132043122101✓all0?
3.12.1132073122091✓all but 2,30?
3.12.1132123122091✓all but 2,30?
3.12.1132133122101✓all but 2,30?
3.12.1132193122091✓all0?
3.12.1132323122081✓all but 20?
3.12.1132393122091✓all but 2,30?
3.12.1132463122091✓all0?
3.12.1132793122091✓all but 2,30?
3.12.1132923122071✓all but 20?
3.12.1133083122081✓all but 2,30?
3.12.1133143122081✓all but 20?
3.12.1133343122091✓all but 20?
3.12.1133433122091✓all but 20?
3.12.1133473122091✓all but 30?
3.12.1133943122081✓all but 20?
3.12.1134233122091✓all but 20?
3.12.1135243122101✓all but 2,30?
3.12.1135273122091✓all but 2,30?
3.12.1135363122081✓all but 20?
3.12.1135673122101✓all but 20?
3.12.1135683122091✓all0?
3.12.1135763122091✓all but 30?
3.12.1135793122091✓all but 2,30?
3.12.1135963122101✓all but 20?
3.12.1136083122091✓all but 20?
3.12.1136203122091✓all0?
3.12.1136273122081✓all but 20?
3.12.1136523122091✓all but 20?
3.12.1136743122101✓all0?
3.12.1136773122091✓all0?
3.12.1136813122091✓all but 2,30?
3.12.1137113122091✓all but 2,30?
3.12.1137193122091✓all but 20?
3.12.1137753122081✓all0?
3.12.1137783122081✓all but 2,3,70?
3.12.1137923122092✓all0?
3.12.1138113122091✓all0?
3.12.1138123122101✓all but 2,3,70?
3.12.1138343122101✓all but 20?
3.12.1138483122081✓all but 2,30?
3.12.1138673122091✓all but 20?
3.12.1138953122081✓all but 30?

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