Heptagonal-enneagonal duotegmatic tegum

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Heptagonal-enneagonal duotegmatic tegum
Rank5
TypeUniform dual
Notation
Coxeter diagramm2m7o2m9o
Elements
Tera126 digonal disphenoidal pyramids
Cells63 digonal disphenoids, 126+126 sphenoids
Faces14+18+63+63 isosceles triangles, 126 scalene triangles
Edges7+9+14+18+63
Vertices2+7+9
Vertex figure2 heptagonal-enneagonal duotegums, 7 square-enneagonal duotegums, 9 square-heptagonal duotegums
Measures (edge length 1)
Central density1
Related polytopes
DualHeptagonal-enneagonal duoprismatic prism
Abstract & topological properties
Euler characteristic2
OrientableYes
Properties
SymmetryI2(7)×I2(9)×A1, order 504
ConvexYes
NatureTame

The heptagonal-enneagonal duotegmatic tegum is an isoteric duotegum that consists of 126 digonal disphenoidal pyramids and 18 vertices.