Acronym	sidhei
TOCID symbol	D*|E
Name	small dodecahemicosahedron, great dodecahemiicosahedron (but not gidhei)
	© ©
Circumradius	1
Vertex figure	{5/3,6,5/2,6]
General of army	id
Colonel of regiment	did
Dihedral angles	between {5/2} and {6}:   arccos(sqrt[(5-2 sqrt(5))/15]) = 79.187683°
Face vector	30, 60, 22
Confer	Grünbaumian relatives: 2sidhei   did+sidhei+gidhei
External links

As abstract polytope sidhei is isomorphic to gidhei, thereby replacing pentagrams by pentagons.

This polyhedron is an edge-faceting of the dodecadodecahedron (did).

Incidence matrix according to Dynkin symbol

hemi( x5/3o5/2x3*a )

30 |  4 |  2  2
---+----+------
 2 | 60 |  1  1
---+----+------
 5 |  5 | 12  *
 6 |  6 |  * 10