Acronym | ... |
Name | 2ti (?) |
Circumradius | sqrt[(29+9 sqrt(5))/8] = 2.478019 |
Vertex figure | 2[6,6,10/2] |
Snub derivation |
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General of army | ti |
Colonel of regiment | ti |
Confer |
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Looks like a compound of 2 truncated icosahedra (ti), and indeed the vertices, edges, and {6} all coincide by pairs.
Incidence matrix according to Dynkin symbol
x5/2x3x3*a . . . | 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 -----------+-----+----------+--------- x5/2x . | 10 | 5 5 0 | 12 * * x . x3*a | 6 | 3 0 3 | * 20 * . x3x | 6 | 0 3 3 | * * 20 snubbed forms: s5/2s3s3*a
β5x3x both( . . . ) | 120 | 1 1 1 | 1 1 1 --------------+-----+----------+--------- both( . x . ) | 2 | 60 * * | 1 1 0 both( . . x ) | 2 | * 60 * | 0 1 1 sefa( β5x . ) | 2 | * * 60 | 1 0 1 --------------+-----+----------+--------- β5x . ♦ 10 | 5 0 5 | 12 * * both( . x3x ) | 6 | 3 3 0 | * 20 * sefa( β5x3x ) | 6 | 0 3 3 | * * 20 starting figure: x5x3x
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