Acronym stef
Name stellated tetradecapeton,
compound of 2 hop
Coxeter symbol [2{3,3,3,3,3}]{3,3;3;3,3}
Circumradius sqrt(3/7) = 0.654654
Inradius 1/sqrt(84) = 0.109109
General of army o3o3m3m3o3o

The kernel of stef is fe, hence stef is its stellation.

The convex hull of this compound happens to be o3o3m3m3o3o, the dual of fe.


Incidence matrix according to Dynkin symbol

xo3oo3oo3oo3oo3ox

o.3o.3o.3o.3o.3o.  & | 14   6 | 15 | 20 | 15 |  6 || 1
---------------------+----+----+----+----+----+----++--
x. .. .. .. .. ..  & |  2 | 42   5 | 10 | 10 |  5 || 1
---------------------+----+----+----+----+----+----++--
x.3o. .. .. .. ..  & |  3 |  3 | 70   4 |  6 |  4 || 1
---------------------+----+----+----+----+----+----++--
x.3o.3o. .. .. ..  &   4 |  6 |  4 | 70 |  3 |  3 || 1
---------------------+----+----+----+----+----+----++--
x.3o.3o.3o. .. ..  &   5 | 10 | 10 |  5 | 42 |  2 || 1
---------------------+----+----+----+----+----+----++--
x.3o.3o.3o.3o. ..  &   6 | 15 | 20 | 15 |  6 | 14 || 1
---------------------+----+----+----+----+----+----++--
x.3o.3o.3o.3o.3o.  &   7 | 21 | 35 | 35 | 21 |  7 || 2

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