Acronym | ... |
Name | 4pen+160{3} (?) |
Circumradius | sqrt(2/5) = 0.632456 |
General of army | pen |
Colonel of regiment | pen |
Confer |
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Looks like a compound of 4 coincident pentachora (pen) plus 160 additional triangles coincident by 16 in every position of the pentachoral ones. Indeed those additional ones are 2 triangular retrograde antiprisms (3/2-ap) each.
Incidence matrix according to Dynkin symbol
β3o3o3β both( . . . . ) | 20 | 6 6 6 | 3 3 3 9 9 3 | 1 3 3 1 6 -------------------+----+----------+-------------------+------------- sefa( β3o . . ) | 2 | 60 * * | 1 0 1 1 0 0 | 1 1 0 0 1 sefa( β . . β2*a ) | 2 | * 60 * | 0 0 0 2 2 0 | 0 1 1 0 2 sefa( . . o3β ) | 2 | * * 60 | 0 1 0 0 1 1 | 0 0 1 1 1 -------------------+----+----------+-------------------+------------- β3o . . ♦ 3 | 3 0 0 | 20 * * * * * | 1 1 0 0 0 . . o3β ♦ 3 | 0 0 3 | * 20 * * * * | 0 0 1 1 0 sefa( β3o3o . ) | 3 | 3 0 0 | * * 20 * * * | 1 0 0 0 1 sefa( β3o . β2*a ) | 3 | 1 2 0 | * * * 60 * * | 0 1 0 0 1 sefa( β . o3β2*a ) | 3 | 0 2 1 | * * * * 60 * | 0 0 1 0 1 sefa( . o3o3β ) | 3 | 0 0 3 | * * * * * 20 | 0 0 0 1 1 -------------------+----+----------+-------------------+------------- β3o3o . ♦ 4 | 12 0 0 | 4 0 4 0 0 0 | 5 * * * * β3o . β2*a ♦ 6 | 6 6 0 | 2 0 0 6 0 0 | * 10 * * * β . o3β2*a ♦ 6 | 0 6 6 | 0 2 0 0 6 0 | * * 10 * * . o3o3β ♦ 4 | 0 0 12 | 0 4 0 0 0 4 | * * * 5 * sefa( β3o3o3β ) ♦ 6 | 3 6 3 | 0 0 1 3 3 1 | * * * * 20
or both( . . . . ) | 20 | 12 6 | 6 6 18 | 2 6 6 ----------------------+----+--------+-----------+--------- sefa( β3o . . ) & | 2 | 120 * | 1 1 1 | 1 1 1 sefa( β . . β2*a ) & | 2 | * 60 | 0 0 4 | 0 2 2 ----------------------+----+--------+-----------+--------- β3o . . & ♦ 3 | 3 0 | 40 * * | 1 1 0 sefa( β3o3o . ) & | 3 | 3 0 | * 40 * | 1 0 1 sefa( β3o . β2*a ) & | 3 | 1 2 | * * 120 | 0 1 1 ----------------------+----+--------+-----------+--------- β3o3o . & ♦ 4 | 12 0 | 4 4 0 | 10 * * β3o . β2*a & ♦ 6 | 6 6 | 2 0 6 | * 20 * sefa( β3o3o3β ) ♦ 6 | 6 6 | 0 2 6 | * * 20 starting figure: x3o3o3x
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