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22 matroids

label ▼rank ⇅n ⇅#bases ⇅#automorphisms ⇅simple ⇅char set ⇅rs dim ⇅birational type ⇅
4.9.98885491141✓all4point over Q(a)/(a^4 + 1)
4.9.98679491141✓∅-1point over Q(a)/(a^4 + 1)
4.9.56884491141✓all2point over Q(a)/(a^4 + 1)
4.9.53954491142✓all2point over Q(a)/(a^4 + 1)
4.9.44885491142✓all3point over Q(a)/(a^4 + 1)
4.9.27868491142✓all3point over Q(a)/(a^4 + 1)
3.11.2561973111442✓all4point over Q(a)/(a^4 + 1)
3.11.2006833111471✓all2point over Q(a)/(a^4 + 1)
3.11.1753143111471✓all3point over Q(a)/(a^4 + 1)
3.11.1440763111491✓all1point over Q(a)/(a^4 + 1)
3.11.1428843111491✓∅-1point over Q(a)/(a^4 + 1)
3.11.1329263111491✓∅-1point over Q(a)/(a^4 + 1)
3.11.1299023111491✓all1point over Q(a)/(a^4 + 1)
3.11.1278943111491✓all2point over Q(a)/(a^4 + 1)
3.11.1278793111491✓all2point over Q(a)/(a^4 + 1)
3.11.1194213111491✓all2point over Q(a)/(a^4 + 1)
3.11.541793111511✓all but 20point over Q(a)/(a^4 + 1)
3.11.537013111511✓all but 20point over Q(a)/(a^4 + 1)
3.11.528903111512✓all but 2,30point over Q(a)/(a^4 + 1)
3.11.476193111512✓all but 20point over Q(a)/(a^4 + 1)
3.11.470513111511✓all but 20point over Q(a)/(a^4 + 1)
3.11.466503111512✓all but 2,30point over Q(a)/(a^4 + 1)