Triangular-heptagonal duotegum

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Triangular-heptagonal duotegum
Rank4
TypeUniform dual
Notation
Coxeter diagramm3o2m7o
Elements
Cells21 digonal disphenoids
Faces21+21 isosceles triangles
Edges3+7+21
Vertices3+7
Vertex figure7 triangular tegums, 3 heptagonal tegums
Measures (edge length 1)
Central density1
Related polytopes
DualTriangular-heptagonal duoprism
ConjugatesTriangular-heptagrammic duotegum, triangular-great heptagrammic duotegum
Abstract & topological properties
Euler characteristic0
OrientableYes
Properties
SymmetryA2×I2(7), order 84
ConvexYes
NatureTame

The triangular-heptagonal duotegum, also known as the 3-7 duotegum, is a duotegum that consists of 21 digonal disphenoids and 10 vertices.