Triangular-enneagonal duotegum

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Triangular-enneagonal duotegum
Rank4
TypeUniform dual
SpaceSpherical
Notation
Coxeter diagramm3o2m9o
Elements
Cells27 digonal disphenoids
Faces27+27 isosceles triangles
Edges3+9+27
Vertices3+9
Vertex figure9 triangular tegums, 3 enneagonal tegums
Measures (edge length 1)
Central density1
Related polytopes
DualTriangular-enneagonal duoprism
ConjugatesTriangular-eneagrammic duotegum, triangular-great enneagrammic duotegum
Abstract & topological properties
Euler characteristic0
OrientableYes
Properties
SymmetryA2×I2(9), order 108
ConvexYes
NatureTame

The triangular-enneagonal duotegum, also known as the 3-9 duotegum, is a duotegum that consists of 27 digonal disphenoids and 12 vertices.