Matroid database

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2,017,782 matroids, showing 18,951–19,000

label ▲rank ⇅n ⇅#bases ⇅#automorphisms ⇅simple ⇅char set ⇅rs dim ⇅birational type ⇅
3.12.1258303122081✓all but 20?
3.12.1258673122101✓all0?
3.12.1259163122091✓all but 20?
3.12.1259173122091✓all0?
3.12.1259683122101✓all but 30?
3.12.1259813122091✓all but 2,30?
3.12.1259833122091✓all but 30?
3.12.1261363122081✓all but 20?
3.12.1261433122091✓all but 20?
3.12.1261543122101✓all0?
3.12.1261553122101✓all but 30?
3.12.1261863122091✓all but 2,30?
3.12.1261883122091✓all but 2,3,190?
3.12.1262023122091✓all but 30?
3.12.1262443122101✓all0?
3.12.1262473122091✓all0?
3.12.1262843122101✓all0?
3.12.1262943122091✓all0?
3.12.1263713122081✓all0?
3.12.1263903122091✓all but 30?
3.12.1263923122081✓all but 2,3,50?
3.12.1264013122081✓all but 20?
3.12.1264083122081✓all but 2,70?
3.12.1264173122112✓all but 2,30?
3.12.1264433122091✓all but 2,30?
3.12.1264513122101✓all but 2,110?
3.12.1264603122091✓all but 2,30?
3.12.1264663122091✓all but 2,30?
3.12.1264893122091✓all but 20?
3.12.1265223122081✓all0?
3.12.1265443122101✓all but 2,3,5,7,11,130?
3.12.1265473122101✓all but 20?
3.12.1265653122091✓all but 2,3,50?
3.12.1265693122091✓all but 2,110?
3.12.1266003122111✓all but 2,30?
3.12.1266043122101✓all but 2,30?
3.12.1266503122081✓all but 2,3,50?
3.12.1266733122081✓all but 2,30?
3.12.1266903122102✓all but 20?
3.12.1267043122122✓all0?
3.12.1267383122091✓all but 30?
3.12.1267423122101✓all but 2,3,110?
3.12.1267473122101✓all but 5,110?
3.12.1267503122101✓all but 2,30?
3.12.1267973122091✓all but 20?
3.12.1267993122091✓all but 20?
3.12.1268183122091✓all but 2,30?
3.12.1268663122091✓all but 20?
3.12.1268723122081✓all but 20?
3.12.1269243122081✓all0?

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