Heptagonal-decagonal duotegmatic tegum

From Polytope Wiki
Jump to navigation Jump to search
Heptagonal-decagonal duotegmatic tegum
Rank5
TypeUniform dual
Notation
Coxeter diagramm2m7o2m10o
Elements
Tera140 digonal disphenoidal pyramids
Cells70 digonal disphenoids, 140+140 sphenoids
Faces14+20+70+70 isosceles triangles, 140 scalene triangles
Edges7+10+14+20+70
Vertices2+7+10
Vertex figure2 heptagonal-decagonal duotegums, 7 square-decagonal duotegums, 10 square-heptagonal duotegums
Measures (edge length 1)
Central density1
Related polytopes
DualHeptagonal-decagonal duoprismatic prism
Abstract & topological properties
Euler characteristic2
OrientableYes
Properties
SymmetryI2(7)×I2(10)×A1, order 560
ConvexYes
NatureTame

The heptagonal-decagonal duotegmatic tegum is an isoteric duotegum that consists of 140 digonal disphenoidal pyramids and 19 vertices.