Matroid database

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2,017,782 matroids, showing 5,451–5,500

label ▲rank ⇅n ⇅#bases ⇅#automorphisms ⇅simple ⇅char set ⇅rs dim ⇅birational type ⇅
3.11.1999423111481✓all but 20rational
3.11.1999503111481✓all but 2,3,50rational
3.11.1999513111481✓all but 20rational
3.11.1999543111471✓all but 70point over Q(a)/(a^2 - a + 1)
3.11.1999553111461✓all0rational
3.11.1999573111471✓all but 30rational
3.11.1999583111471✓all but 20point over Q(a)/(a^2 - 2)
3.11.1999593111461✓all but 30empty
3.11.1999713111501✓all0rational
3.11.1999723111501✓all0rational
3.11.1999733111491✓all but 30rational
3.11.1999773111501✓all but 20rational
3.11.1999843111491✓all but 20rational
3.11.1999853111501✓all0rational
3.11.1999873111491✓all0rational
3.11.1999883111491✓all but 70rational
3.11.1999903111501✓all0rational
3.11.1999913111491✓all but 20rational
3.11.1999923111491✓all but 30rational
3.11.1999933111491✓all0rational
3.11.1999973111481✓all0rational
3.11.1999983111491✓all0rational
3.11.2000033111491✓all but 2,50rational
3.11.2000043111491✓all0rational
3.11.2000063111491✓all but 2,30rational
3.11.2000073111491✓all0rational
3.11.2000123111491✓all but 2,50rational
3.11.2000163111491✓all but 2,3,5,70rational
3.11.2000433111491✓all but 2,3,50rational
3.11.2000443111491✓all but 2,3,5,70rational
3.11.2000473111481✓all but 2,50rational
3.11.2000563111481✓all but 2,3,50rational
3.11.2000573111481✓all but 2,30rational
3.11.2000593111471✓all but 2,30point over Q(a)/(a^3 - a^2 + 1)
3.11.2000603111481✓all but 2,3,5,70rational
3.11.2000663111491✓all but 2,3,50rational
3.11.2000673111491✓all but 2,3,5,70rational
3.11.2000683111491✓all but 2,3,50rational
3.11.2000703111481✓all but 2,30rational
3.11.2000713111481✓all but 20rational
3.11.2000733111481✓all but 2,3,5,7,170rational
3.11.2000743111481✓all but 2,3,70rational
3.11.2000753111491✓all but 2,30rational
3.11.2000763111481✓all but 20rational
3.11.2000843111491✓all but 20rational
3.11.2000863111491✓all but 2,30rational
3.11.2000913111481✓all but 20rational
3.11.2000953111491✓all but 2,3,5,70rational
3.11.2000973111481✓all but 2,3,70rational
3.11.2001033111471✓all but 20point over Q(a)/(a^2 - a - 1)

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