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2,480 matroids, showing 1–50

label ▼rank ⇅n ⇅#bases ⇅#automorphisms ⇅simple ⇅char set ⇅rs dim ⇅birational type ⇅
4.9.18791349936✓all2rational over Q(a)/(a^2 - a + 1)
4.9.18711749972✓all but 21rational over Q(a)/(a^2 - a + 1)
4.9.18685649971✓all1rational over Q(a)/(a^2 - a + 1)
4.9.186218499912✓∅-1rational over Q(a)/(a^2 - a + 1)
4.9.18619449996✓∅-1rational over Q(a)/(a^2 - a + 1)
4.9.185888491012✓all1rational over Q(a)/(a^2 - a + 1)
4.9.185823491016✓all1rational over Q(a)/(a^2 - a + 1)
4.9.185822491026✓all2rational over Q(a)/(a^2 - a + 1)
4.9.18492849626✗∅-1rational over Q(a)/(a^2 - a + 1)
4.9.18405449932✗all4rational over Q(a)/(a^2 - a + 1)
4.9.183720499212✗all2rational over Q(a)/(a^2 - a + 1)
4.9.183468499412✗all1rational over Q(a)/(a^2 - a + 1)
4.9.183023491006✓∅-1rational over Q(a)/(a^2 - a + 1)
4.9.182644491012✓∅-1rational over Q(a)/(a^2 - a + 1)
4.9.182454491022✓all2rational over Q(a)/(a^2 - a + 1)
4.9.182341491021✓all2rational over Q(a)/(a^2 - a + 1)
4.9.182293491002✓all but 21rational over Q(a)/(a^2 - a + 1)
4.9.182280491021✓all3rational over Q(a)/(a^2 - a + 1)
4.9.181597491041✓all2rational over Q(a)/(a^2 - a + 1)
4.9.181069491041✓all3rational over Q(a)/(a^2 - a + 1)
4.9.181012491041✓∅-1rational over Q(a)/(a^2 - a + 1)
4.9.180514491041✓all3rational over Q(a)/(a^2 - a + 1)
4.9.180340491042✓all but 21rational over Q(a)/(a^2 - a + 1)
4.9.179193491062✓all3rational over Q(a)/(a^2 - a + 1)
4.9.179190491062✓all1rational over Q(a)/(a^2 - a + 1)
4.9.178972491061✓all1rational over Q(a)/(a^2 - a + 1)
4.9.178971491072✓all2rational over Q(a)/(a^2 - a + 1)
4.9.178578491012✓∅-1rational over Q(a)/(a^2 - a + 1)
4.9.177584491042✓all but 2,31rational over Q(a)/(a^2 - a + 1)
4.9.177329491071✓all2rational over Q(a)/(a^2 - a + 1)
4.9.177122491072✓∅-1rational over Q(a)/(a^2 - a + 1)
4.9.177048491072✓∅-1rational over Q(a)/(a^2 - a + 1)
4.9.177032491052✓all3rational over Q(a)/(a^2 - a + 1)
4.9.176942491071✓all2rational over Q(a)/(a^2 - a + 1)
4.9.176294491072✓∅-1rational over Q(a)/(a^2 - a + 1)
4.9.176252491071✓∅-1rational over Q(a)/(a^2 - a + 1)
4.9.176133491072✓∅-1rational over Q(a)/(a^2 - a + 1)
4.9.176101491082✓all3rational over Q(a)/(a^2 - a + 1)
4.9.175851491011✓all1rational over Q(a)/(a^2 - a + 1)
4.9.175301491071✓all but 23rational over Q(a)/(a^2 - a + 1)
4.9.175205491072✓all2rational over Q(a)/(a^2 - a + 1)
4.9.175168491074✓all4rational over Q(a)/(a^2 - a + 1)
4.9.175052491071✓all3rational over Q(a)/(a^2 - a + 1)
4.9.175030491072✓all4rational over Q(a)/(a^2 - a + 1)
4.9.174967491041✓∅-1rational over Q(a)/(a^2 - a + 1)
4.9.174357491072✓all4rational over Q(a)/(a^2 - a + 1)
4.9.174296491071✓all but 21rational over Q(a)/(a^2 - a + 1)
4.9.174230491071✓all3rational over Q(a)/(a^2 - a + 1)
4.9.173836491071✓all3rational over Q(a)/(a^2 - a + 1)
4.9.173641491071✓all3rational over Q(a)/(a^2 - a + 1)

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