Acronym | ... |
Name | sidtid+ditdid+gidtid (?) |
Circumradius | sqrt(3)/2 = 0.866025 |
Vertex figure | 6[6/2,4,10/2]/0 |
General of army | doe |
Colonel of regiment | sidtid |
Confer | sidtid+ditdid sidtid+gidtid ditdid+gidtid sicdatrid cadditradid gicdatrid 2sidtid+5cube 2ditdid+5cube 2gidtid+5cube 3sidtid 3gidtid |
Looks like a compound of a small ditrigonary icosidodecahedron (sidtid) plus a ditrigonary dodecadodecahedron (ditdid) plus a great ditrigonary icosidodecahedron (gidtid), and indeed vertices coincide by 6, edges coincide by three.
Incidence matrix according to Dynkin symbol
x3/2x5/2x . . . | 120 | 1 1 1 | 1 1 1 ----------+-----+----------+--------- x . . | 2 | 60 * * | 1 1 0 . x . | 2 | * 60 * | 1 0 1 . . x | 2 | * * 60 | 0 1 1 ----------+-----+----------+--------- x3/2x . | 6 | 3 3 0 | 20 * * x . x | 4 | 2 0 2 | * 30 * . x5/2x | 10 | 0 5 5 | * * 12
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