Heptagonal-dodecahedral duotegum

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Heptagonal-dodecahedral duotegum
Rank5
TypeUniform dual
Notation
Coxeter diagramm7o2o5o3m
Elements
Tera84 pentagonal scalenes
Cells210 digonal disphenoids, 84 pentagonal pyramids
Faces140+210 isosceles triangles, 12 pentagons
Edges7+30+140
Vertices7+20
Vertex figure7 dodecahedral tegums, 20 triangular-heptagonal duotegums
Measures (edge length 1)
Central density1
Related polytopes
DualHeptagonal-icosahedral duoprism
Abstract & topological properties
Euler characteristic2
OrientableYes
Properties
SymmetryH3×I2(7), order 1680
ConvexYes
NatureTame

The heptagonal-dodecahedral duotegum is an isoteric duotegum that consists of 84 pentagonal scalenes and 27 vertices.