Matroid database

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32,400,859 matroids, showing 3,001–3,050

label ▼rank ⇅n ⇅#bases ⇅#automorphisms ⇅simple ⇅char set ⇅rs dim ⇅birational type ⇅
4.9.18721349951✓all3rational
4.9.18721249951✓∅-1rational
4.9.18721149961✓all3rational
4.9.18721049961✓all but 22rational
4.9.18720949961✓∅-1rational
4.9.18720849961✓all3rational
4.9.18720749961✓{2}-1rational
4.9.18720649971✓all3rational
4.9.18720549952✓all2rational
4.9.18720449951✓all but 31rational
4.9.18720349961✓all1rational
4.9.18720249961✓∅-1rational
4.9.18720149972✓all2rational
4.9.18720049962✓all2rational
4.9.18719949961✓all3rational
4.9.18719849961✓∅-1rational
4.9.18719749971✓all2rational
4.9.18719649961✓∅-1rational
4.9.18719549971✓all2rational
4.9.18719449972✓all3rational
4.9.18719349971✓all3rational
4.9.18719249982✓∅-1rational
4.9.18719149951✓all4rational
4.9.18719049961✓∅-1rational
4.9.18718949952✓all1rational
4.9.18718849962✓all but 2,3,5,70rational
4.9.18718749962✓all2rational
4.9.18718649972✓all2rational
4.9.18718549942✓all4point over Q(a)/(a^2 - a + 1)
4.9.18718449952✓∅-1rational
4.9.18718349951✓∅-1rational
4.9.18718249961✓∅-1rational
4.9.18718149951✓∅-1rational
4.9.18718049961✓all but 21rational
4.9.18717949951✓all2rational
4.9.18717849961✓all3rational
4.9.18717749961✓all2rational
4.9.18717649971✓all2rational
4.9.18717549961✓all4rational
4.9.18717449961✓∅-1rational
4.9.18717349971✓all4rational
4.9.18717249962✓∅-1rational
4.9.18717149972✓all4rational
4.9.18717049961✓all but 21rational
4.9.18716949971✓all5rational
4.9.18716849961✓all1rational
4.9.18716749971✓all0rational
4.9.18716649971✓∅-1rational
4.9.18716549971✓all2rational
4.9.18716449981✓all3rational

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