Heptagonal bipyramid

Heptagonal bipyramid
Heptagonal bipyramid
Type	bipyramid
Faces	14 triangles
Edges	21
Vertices	9
Schläfli symbol	{ } + {7}
Coxeter diagram
Symmetry group	D7h, [7,2], (*227), order 28
Rotation group	D7, [7,2]+, (227), order 14
Dual polyhedron	heptagonal prism
Face configuration	V4.4.7
Properties	convex, face-transitive

The heptagonal bipyramid is one of the infinite set of bipyramids, dual to the infinite prisms. If an heptagonal bipyramid is to be face-transitive, all faces must be isosceles triangles. The resulting solid has 14 triangular faces, 9 vertices and 21 edges.^[1]^[2]

Related polyhedra[]

"Regular" right (symmetric) n-gonal bipyramids:
Bipyramid name	Digonal bipyramid	Triangular bipyramid (See: J₁₂)	Square bipyramid (See: O)	Pentagonal bipyramid (See: J₁₃)	Hexagonal bipyramid	Heptagonal bipyramid	Octagonal bipyramid	Enneagonal bipyramid	Decagonal bipyramid	...	Apeirogonal bipyramid
Polyhedron image										...
Spherical tiling image										Plane tiling image
Face config.	V2.4.4	V3.4.4	V4.4.4	V5.4.4	V6.4.4	V7.4.4	V8.4.4	V9.4.4	V10.4.4	...	V∞.4.4
Coxeter diagram										...

References[]

^ Heptagonal Dipyramid dmccooey.com [2014-6-23]
^ Pugh, Anthony (1976), Polyhedra: A Visual Approach, University of California Press, pp. 21, 27, 62, ISBN 9780520030565.

External links[]

Weisstein, Eric W. "Dipyramid". MathWorld.
Virtual Reality Polyhedra The Encyclopedia of Polyhedra
- VRML models <7>
- Conway Notation for Polyhedra Try: dP7

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[1] Heptagonal Dipyramid dmccooey.com [2014-6-23]

[pugh-2] Pugh, Anthony (1976), Polyhedra: A Visual Approach, University of California Press, pp. 21, 27, 62, ISBN 9780520030565.

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