Heptagonal-hendecagonal duotegmatic tegum

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Heptagonal-hendecagonal duotegmatic tegum
Rank5
TypeUniform dual
Notation
Coxeter diagramm2m7o2m11o
Elements
Tera154 digonal disphenoidal pyramids
Cells77 digonal disphenoids, 154+154 sphenoids
Faces14+22+77+77 isosceles triangles, 154 scalene triangles
Edges7+11+14+22+77
Vertices2+7+11
Vertex figure2 heptagonal-hendecagonal duotegums, 7 square-hendecagonal duotegums, 11 square-heptagonal duotegums
Measures (edge length 1)
Central density1
Related polytopes
DualHeptagonal-hendecagonal duoprismatic prism
Abstract & topological properties
Euler characteristic2
OrientableYes
Properties
SymmetryI2(7)×I2(11)×A1, order 616
ConvexYes
NatureTame

The heptagonal-hendecagonal duotegmatic tegum is an isoteric duotegum that consists of 154 digonal disphenoidal pyramids and 20 vertices.