Acronym | ... |
Name | 2id (?) |
Circumradius | (1+sqrt(5))/2 = 1.618034 |
Vertex figure |
2[(3,10/2)2] (type A) or 2[(6/2,5)2] (type B) |
Snub derivation |
(type A) (type B) |
General of army | id |
Colonel of regiment | id |
Confer |
|
Looks like a compound of 2 icosidodecahedra (id), and indeed vertices, edges, and either {3} (type A) or {5} (type B) all coincide by pairs.
Incidence matrix according to Dynkin symbol
x5/2x3o3*a (type A) . . . | 60 | 2 2 | 2 1 1 -----------+----+-------+--------- x . . | 2 | 60 * | 1 1 0 . x . | 2 | * 60 | 1 0 1 -----------+----+-------+--------- x5/2x . | 10 | 5 5 | 12 * * x . o3*a | 3 | 3 0 | * 20 * . x3o | 3 | 0 3 | * * 20
x3/2x5o5*a (type B) . . . | 60 | 2 2 | 2 1 1 -----------+----+-------+--------- x . . | 2 | 60 * | 1 1 0 . x . | 2 | * 60 | 1 0 1 -----------+----+-------+--------- x3/2x . | 6 | 3 3 | 20 * * x . o5*a | 5 | 5 0 | * 12 * . x5o | 5 | 0 5 | * * 12
x3/2o3/2x5/2*a (type A) . . . | 60 | 2 2 | 1 2 1 ---------------+----+-------+--------- x . . | 2 | 60 * | 1 1 0 . . x | 2 | * 60 | 0 1 1 ---------------+----+-------+--------- x3/2o . | 3 | 3 0 | 20 * * x . x5/2*a | 10 | 5 5 | * 12 * . o3/2x | 3 | 0 3 | * * 20
x5/4o5/4x3/2*a (type B) . . . | 60 | 2 2 | 1 2 1 ---------------+----+-------+--------- x . . | 2 | 60 * | 1 1 0 . . x | 2 | * 60 | 0 1 1 ---------------+----+-------+--------- x5/4o . | 5 | 5 0 | 12 * * x . x3/2*a | 6 | 3 3 | * 20 * . o5/4x | 5 | 0 5 | * * 12
β3x5o (type B) both( . . . ) | 60 | 2 2 | 2 1 1 --------------+----+-------+--------- both( . x . ) | 2 | 60 * | 1 1 0 sefa( β3x . ) | 2 | * 60 | 1 0 1 --------------+----+-------+--------- β3x . ♦ 6 | 3 3 | 20 * * both( . x5o ) | 5 | 5 0 | * 12 * sefa( β3x5o ) | 5 | 0 5 | * * 12 starting figure: x3x5o
β5x3o (type A) both( . . . ) | 60 | 2 2 | 2 1 1 --------------+----+-------+--------- both( . x . ) | 2 | 60 * | 1 1 0 sefa( β5x . ) | 2 | * 60 | 1 0 1 --------------+----+-------+--------- β5x . ♦ 10 | 5 5 | 12 * * both( . x3o ) | 3 | 3 0 | * 20 * sefa( β5x3o ) | 3 | 0 3 | * * 20 starting figure: x5x3o
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