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Size rank n

Invariants Bases Automorphisms Dimension of realization space Girth Expected dimension over ℤ

Realizability realizable in char 0 realizable in characteristic char set class birational type

Properties Simple Connected Paving Uniform Regular Binary Ternary Quaternary Graphic Transversal Series parallel Self dual Orientable Supersolvable Three lines Free realization space Realization space: smooth over ℤ Realization space: is regular scheme

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32,400,859 matroids, showing 5,151–5,200

label ▼	rank ⇅	n ⇅	#bases ⇅	#automorphisms ⇅	simple ⇅	char set ⇅	rs dim ⇅	birational type ⇅
4.9.185063	4	9	100	2	✓	all	5	rational
4.9.185062	4	9	101	4	✓	all but 2,3,5	0	rational
4.9.185061	4	9	100	2	✓	∅	-1	rational
4.9.185060	4	9	101	1	✓	all	4	rational
4.9.185059	4	9	101	4	✓	∅	-1	rational
4.9.185058	4	9	102	4	✓	all	3	rational
4.9.185057	4	9	100	8	✓	all	5	rational
4.9.185056	4	9	101	8	✓	all	3	rational
4.9.185055	4	9	101	2	✓	all	3	rational
4.9.185054	4	9	101	2	✓	all	3	rational
4.9.185053	4	9	101	2	✓	all	3	rational
4.9.185052	4	9	102	2	✓	all	3	rational
4.9.185051	4	9	102	4	✓	∅	-1	rational
4.9.185050	4	9	102	4	✓	all	4	rational
4.9.185049	4	9	102	4	✓	all	2	rational
4.9.185048	4	9	103	8	✓	all	3	rational
4.9.185047	4	9	102	48	✓	all	3	rational
4.9.185046	4	9	103	48	✓	all	2	rational
4.9.185045	4	9	102	16	✓	all	2	rational
4.9.185044	4	9	103	16	✓	all	2	rational
4.9.185043	4	9	103	24	✓	all but 2	2	rational
4.9.185042	4	9	104	72	✓	all	4	rational
4.9.185041	4	9	100	2880	✓	all	0	rational
4.9.185040	4	9	104	576	✓	∅	-1	rational
4.9.185039	4	9	105	2880	✓	all	1	rational
4.9.185038	4	9	56	1344	✗	∅	-1	empty
4.9.185037	4	9	57	96	✗	all	2	empty
4.9.185036	4	9	58	16	✗	∅	-1	empty
4.9.185035	4	9	59	48	✗	∅	-1	empty
4.9.185034	4	9	59	6	✗	all but 2	1	empty
4.9.185033	4	9	60	6	✗	all	4	empty
4.9.185032	4	9	60	24	✗	all	2	empty
4.9.185031	4	9	61	8	✗	∅	-1	empty
4.9.185030	4	9	62	24	✗	all but 2	1	empty
4.9.185029	4	9	63	168	✗	all	3	empty
4.9.185028	4	9	59	24	✗	all	3	empty
4.9.185027	4	9	60	24	✗	all but 2	1	rational
4.9.185026	4	9	59	48	✗	all	5	empty
4.9.185025	4	9	60	6	✗	all	2	empty
4.9.185024	4	9	60	4	✗	all	0	empty
4.9.185023	4	9	61	4	✗	∅	-1	empty
4.9.185022	4	9	61	2	✗	all	3	rational
4.9.185021	4	9	61	8	✗	all	1	empty
4.9.185020	4	9	62	4	✗	∅	-1	rational
4.9.185019	4	9	62	6	✗	all but 2,7	0	rational
4.9.185018	4	9	63	24	✗	all	3	rational
4.9.185017	4	9	58	192	✗	all	2	rational
4.9.185016	4	9	59	16	✗	all	5	empty
4.9.185015	4	9	60	4	✗	all	3	empty
4.9.185014	4	9	61	12	✗	all	6	empty