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2 matroids

label ▼rank ⇅n ⇅#bases ⇅#automorphisms ⇅simple ⇅char set ⇅rs dim ⇅birational type ⇅
3.11.1352203111491✓all1point over Q(a)/(a^4 - 2*a^2 - 1)
3.11.534993111511✓all but 20point over Q(a)/(a^4 - 2*a^2 - 1)