Acronym | sted |
Name |
stellated decachoron, compound of 2 pen |
Coxeter symbol | [2{3,3,3}]{3;3;3} |
Circumradius | sqrt(2/5) = 0.632456 |
Inradius | 1/sqrt(40) = 0.158114 |
General of army | o3m3m3o |
Colonel of regiment | (is itself locally convex – no other uniform polychoral members) |
External links |
The kernel of sted is deca, hence sted is its stellation.
The convex hull of this compound happens to be o3m3m3o, the dual of deca.
Incidence matrix according to Dynkin symbol
xo3oo3oo3ox o.3o.3o.3o. & | 10 ♦ 4 | 6 | 4 || 1 ---------------+----+----+----+----++-- x. .. .. .. & | 2 | 20 | 3 | 3 || 1 ---------------+----+----+----+----++-- x.3o. .. .. & | 3 | 3 | 20 | 2 || 1 ---------------+----+----+----+----++-- x.3o.3o. .. & ♦ 4 | 6 | 4 | 10 || 1 ---------------+----+----+----+----++-- x.3o.3o.3o. & ♦ 5 | 10 | 10 | 5 || 2
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