Matroid database

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154 matroids, showing 1–50

label ▲rank ⇅n ⇅#bases ⇅#automorphisms ⇅simple ⇅char set ⇅rs dim ⇅birational type ⇅
3.10.131011930240✓all11rational
3.11.33111622592✓all11rational
3.11.5311162288✓all11rational
3.11.8311162192✓all11rational
3.11.253111621152✓all11rational
3.11.41311162720✓all11rational
3.11.566263111603456✓all11rational
3.11.567903111552✓all11rational
3.11.568053111552✓all11rational
3.11.2275123111472✗all11rational
3.11.2518363111482✓all11rational
3.11.2671423111412✗all11rational
3.12.13431221312✓all11?
3.12.1823122144✓all11?
3.12.22031221412✓all11?
3.12.2383122132✓all11?
3.12.2543122144✓all11?
3.12.2593122134✓all11?
3.12.2983122121✓all11?
3.12.3013122112✓all11?
3.12.4323122121✓all11?
3.12.6013122111✓all11?
3.12.6263122122✓all11?
3.12.6343122111✓all11?
3.12.6703122102✓all11?
3.12.6893122122✓all11?
3.12.7003122144✓all11?
3.12.7513122111✓all11?
3.12.11623122111✓all11?
3.12.11913122121✓all11?
3.12.11963122122✓all11?
3.12.12153122112✓all11?
3.12.12303122124✓all11?
3.12.12633122121✓all11?
3.12.12713122112✓all11?
3.12.13343122121✓all11?
3.12.14673122111✓all11?
3.12.14953122111✓all11?
3.12.21323122122✓all11?
3.12.21363122112✓all11?
3.12.22613122112✓all11?
3.12.23903122112✓all11?
3.12.29903122101✓all11?
3.12.31943122101✓all11?
3.12.32933122111✓all11?
3.12.54603122111✓all11?
3.12.104313122101✓all11?
3.12.161083122111✓all11?
3.12.161473122101✓all11?
3.12.164243122111✓all11?

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