Acronym  giid 
TOCID symbol  iJE 
Name  great icosicosidodecahedron 
© ©  
Circumradius  sqrt[(173 sqrt(5))/8] = 1.134229 
Vertex figure  [3/2,6,5,6] 
General of army  tid 
Colonel of regiment  gidditdid 
Dihedral angles 

External links 
As abstract polytope giid is isomorphic to siid, thereby replacing pentagons by pentagrams and retrograde triangles by prograde ones. – As such giid is a lieutenant.
This polyhedron is an edgefaceting of the great ditrigonal dodekicosidodecahedron (gidditdid).
Incidence matrix according to Dynkin symbol
o3/2x3x5*a . . .  60  2 2  1 2 1 +++ . x .  2  60 *  1 1 0 . . x  2  * 60  0 1 1 +++ o3/2x .  3  3 0  20 * * . x3x  6  3 3  * 20 * o . x5*a  5  0 5  * * 12
x5/4o3x3*a . . .  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*a  6  3 3  * 20 * . o3x  3  0 3  * * 20
© 20042020  top of page 