Acronym gyrid, J72
Name gyrated rhombicosidodecahedron
 
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Circumradius sqrt[sqrt(5)+11/4] = 2.232951
Vertex figures [3,4,5,4], [3,42,5]
General of army (is itself convex)
Colonel of regiment (is itself locally convex)
Dihedral angles
  • between {3} and {4}:   arccos(-(1+sqrt(5))/sqrt(12)) = 159.094843°
  • between {3} and {5}:   arccos(-sqrt[(65-2 sqrt(5))/75]) = 153.942419°
  • between {4} and {4}:   arccos(-2/sqrt(5)) = 153.434949°
  • between {4} and {5}:   arccos(-sqrt[(5+sqrt(5))/10]) = 148.282526°
Confer
uniform relative:
srid  
related Johnson solids:
pecu   dirid   pagydrid  
general polytopal classes:
Johnson solids  
External
links
wikipedia   mathworld

Incidence matrix

5  *  * * *  *  * * | 2  2 0 0  0 0  0  0  0  0 0  0 0 0  0 0 | 1 2 1 0 0 0  0 0 0 0 0 0 0  at gyrated {5}
* 10  * * *  *  * * | 0  1 1 1  1 0  0  0  0  0 0  0 0 0  0 0 | 0 1 1 1 1 0  0 0 0 0 0 0 0
*  * 10 * *  *  * * | 0  0 0 0  1 1  1  1  0  0 0  0 0 0  0 0 | 0 0 0 1 1 1  1 0 0 0 0 0 0
*  *  * 5 *  *  * * | 0  0 0 0  0 0  2  0  2  0 0  0 0 0  0 0 | 0 0 0 0 1 0  2 1 0 0 0 0 0
*  *  * * 5  *  * * | 0  0 0 0  0 0  0  2  0  2 0  0 0 0  0 0 | 0 0 0 0 0 1  2 0 1 0 0 0 0
*  *  * * * 10  * * | 0  0 0 0  0 0  0  0  1  1 1  1 0 0  0 0 | 0 0 0 0 0 0  1 1 1 1 0 0 0
*  *  * * *  * 10 * | 0  0 0 0  0 0  0  0  0  0 0  1 1 1  1 0 | 0 0 0 0 0 0  0 0 1 1 1 1 0
*  *  * * *  *  * 5 | 0  0 0 0  0 0  0  0  0  0 0  0 0 0  2 2 | 0 0 0 0 0 0  0 0 0 0 2 1 1  at opposite {5}
--------------------+-----------------------------------------+---------------------------
2  0  0 0 0  0  0 0 | 5  * * *  * *  *  *  *  * *  * * *  * * | 1 1 0 0 0 0  0 0 0 0 0 0 0
1  1  0 0 0  0  0 0 | * 10 * *  * *  *  *  *  * *  * * *  * * | 0 1 1 0 0 0  0 0 0 0 0 0 0
0  2  0 0 0  0  0 0 | *  * 5 *  * *  *  *  *  * *  * * *  * * | 0 1 0 1 0 0  0 0 0 0 0 0 0  {4},{4}-join
0  2  0 0 0  0  0 0 | *  * * 5  * *  *  *  *  * *  * * *  * * | 0 0 1 0 1 0  0 0 0 0 0 0 0  {3},{5}-join
0  1  1 0 0  0  0 0 | *  * * * 10 *  *  *  *  * *  * * *  * * | 0 0 0 1 1 0  0 0 0 0 0 0 0
0  0  2 0 0  0  0 0 | *  * * *  * 5  *  *  *  * *  * * *  * * | 0 0 0 1 0 1  0 0 0 0 0 0 0
0  0  1 1 0  0  0 0 | *  * * *  * * 10  *  *  * *  * * *  * * | 0 0 0 0 1 0  1 0 0 0 0 0 0
0  0  1 0 1  0  0 0 | *  * * *  * *  * 10  *  * *  * * *  * * | 0 0 0 0 0 1  1 0 0 0 0 0 0
0  0  0 1 0  1  0 0 | *  * * *  * *  *  * 10  * *  * * *  * * | 0 0 0 0 0 0  1 1 0 0 0 0 0
0  0  0 0 1  1  0 0 | *  * * *  * *  *  *  * 10 *  * * *  * * | 0 0 0 0 0 0  1 0 1 0 0 0 0
0  0  0 0 0  2  0 0 | *  * * *  * *  *  *  *  * 5  * * *  * * | 0 0 0 0 0 0  0 1 0 1 0 0 0
0  0  0 0 0  1  1 0 | *  * * *  * *  *  *  *  * * 10 * *  * * | 0 0 0 0 0 0  0 0 1 1 0 0 0
0  0  0 0 0  0  2 0 | *  * * *  * *  *  *  *  * *  * 5 *  * * | 0 0 0 0 0 0  0 0 1 0 1 0 0  {4},{5}-join
0  0  0 0 0  0  2 0 | *  * * *  * *  *  *  *  * *  * * 5  * * | 0 0 0 0 0 0  0 0 0 1 0 1 0  {3},{4}-join
0  0  0 0 0  0  1 1 | *  * * *  * *  *  *  *  * *  * * * 10 * | 0 0 0 0 0 0  0 0 0 0 1 1 0
0  0  0 0 0  0  0 2 | *  * * *  * *  *  *  *  * *  * * *  * 5 | 0 0 0 0 0 0  0 0 0 0 1 0 1
--------------------+-----------------------------------------+---------------------------
5  0  0 0 0  0  0 0 | 5  0 0 0  0 0  0  0  0  0 0  0 0 0  0 0 | 1 * * * * *  * * * * * * *  gyrated {5}
2  2  0 0 0  0  0 0 | 1  2 1 0  0 0  0  0  0  0 0  0 0 0  0 0 | * 5 * * * *  * * * * * * *
1  2  0 0 0  0  0 0 | 0  2 0 1  0 0  0  0  0  0 0  0 0 0  0 0 | * * 5 * * *  * * * * * * *
0  2  2 0 0  0  0 0 | 0  0 1 0  2 1  0  0  0  0 0  0 0 0  0 0 | * * * 5 * *  * * * * * * *
0  2  2 1 0  0  0 0 | 0  0 0 1  2 0  2  0  0  0 0  0 0 0  0 0 | * * * * 5 *  * * * * * * *
0  0  2 0 1  0  0 0 | 0  0 0 0  0 1  0  2  0  0 0  0 0 0  0 0 | * * * * * 5  * * * * * * *
0  0  1 1 1  1  0 0 | 0  0 0 0  0 0  1  1  1  1 0  0 0 0  0 0 | * * * * * * 10 * * * * * *
0  0  0 1 0  2  0 0 | 0  0 0 0  0 0  0  0  2  0 1  0 0 0  0 0 | * * * * * *  * 5 * * * * *
0  0  0 0 1  2  2 0 | 0  0 0 0  0 0  0  0  0  2 0  2 1 0  0 0 | * * * * * *  * * 5 * * * *
0  0  0 0 0  2  2 0 | 0  0 0 0  0 0  0  0  0  0 1  2 0 1  0 0 | * * * * * *  * * * 5 * * *
0  0  0 0 0  0  2 2 | 0  0 0 0  0 0  0  0  0  0 0  0 1 0  2 1 | * * * * * *  * * * * 5 * *
0  0  0 0 0  0  2 1 | 0  0 0 0  0 0  0  0  0  0 0  0 0 1  2 0 | * * * * * *  * * * * * 5 *
0  0  0 0 0  0  0 5 | 0  0 0 0  0 0  0  0  0  0 0  0 0 0  0 5 | * * * * * *  * * * * * * 1  opposite {5}

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