Acronym gisid
TOCID symbol s'JE*
Name great inverted snub icosidodecahedron,
great vertisnub icosidodecahedron,
cthulhu
 
 © ©
Vertex figure [5/3,34]
Colonel of regiment (is itself not locally convex, but no other uniform polyhedral members)
Confer
compounds:
gidsid  
External
links
hedrondude   wikipedia   mathworld

As abstract polytope gisid is isomorphic to snid, gosid, and girsid, thereby replacing prograde icosahedral triangles and retrograde pentagrams respectively by prograde icosahedral triangles and (prograde) pentagons, by prograde icosahedral triangles and prograde pentagrams, by retrrograde icosahedral triangles and retrograde pentagrams. – As such gisid is a lieutenant.


Incidence matrix according to Dynkin symbol

s5/3s3s

demi( .   . .  ) | 60 |  1  2  2 |  1  1  3
-----------------+----+----------+---------
      s   . s2*a |  2 | 30  *  * |  0  0  2
sefa( s5/3s .  ) |  2 |  * 60  * |  1  0  1
sefa( .   s3s  ) |  2 |  *  * 60 |  0  1  1
-----------------+----+----------+---------
      s5/3s .      5 |  0  5  0 | 12  *  *
      .   s3s      3 |  0  0  3 |  * 20  *
sefa( s5/3s3s  ) |  3 |  1  1  1 |  *  * 60

starting figure: x5/3x3x

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