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14 matroids

label ▲rank ⇅n ⇅#bases ⇅#automorphisms ⇅simple ⇅char set ⇅rs dim ⇅birational type ⇅
3.8.1123832384✗all2rational
3.8.165383216✗all0rational
3.8.166383016✗all but 20rational
3.8.187382912✗all2rational
3.8.188382848✗all0rational
3.8.229382832✗all4rational
3.8.239382724✗all2rational
3.8.240382624✗all2rational
3.8.241382524✗all1rational
3.8.2433824144✗all1rational
3.8.258382348✗all2rational
3.8.2593820192✗all2rational
3.8.260382296✗all0rational
3.8.2793816720✗all0rational