Heptagonal-hendecagonal duotegum

Heptagonal-hendecagonal duotegum
Rank	4
Type	Uniform dual
Space	Spherical
Notation
Coxeter diagram	m7o2m11o
Elements
Cells	77 digonal disphenoids
Faces	77+77 isosceles triangles
Edges	7+17+77
Vertices	7+17
Vertex figure	11 heptagonal tegums, 7 hendecagonal tegums
Measures (edge length 1)
Central density	1
Related polytopes
Dual	Heptagonal-hendecagonal duoprism
Conjugates	Heptagonal-small hendecagrammic duotegum, Heptagonal-hendecagrammic duotegum, Heptagonal-great hendecagrammic duotegum, Heptagonal-grand hendecagrammic duotegum, Heptagrammic-hendecagonal duotegum, Heptagrammic-small hendecagrammic duotegum, Heptagrammic-hendecagrammic duotegum, Heptagrammic-great hendecagrammic duotegum, Heptagrammic-grand hendecagrammic duotegum, Great heptagrammic-hendecagonal duotegum, Great heptagrammic-small hendecagrammic duotegum, Great heptagrammic-hendecagrammic duotegum, Great heptagrammic-great hendecagrammic duotegum, Great heptagrammic-grand hendecagrammic duotegum
Abstract & topological properties
Euler characteristic	0
Orientable	Yes
Properties
Symmetry	I2(7)×I2(11), order 308
Convex	Yes
Nature	Tame

The heptagonal-hendecagonal duotegum, also known as the 7-11 duotegum, is a duotegum that consists of 77 digonal disphenoids and 18 vertices.