Heptagonal bipyramid

From Infogalactic: the planetary knowledge core
Jump to: navigation, search
Heptagonal bipyramid
Heptagonal bipyramid.png
Type bipyramid
Schläfli symbol { } + {7}
Coxeter diagram CDel node f1.pngCDel 2x.pngCDel node f1.pngCDel 7.pngCDel node.png
Faces 14 triangles
Edges 21
Vertices 9
Face configuration V4.4.7
Symmetry group D7h, [7,2], (*227), order 28
Rotation group D7, [7,2]+, (227), order 14
Dual heptagonal prism
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

Family of bipyramids
Polyhedron Triangular bipyramid.png Square bipyramid.png Pentagonale bipiramide.png Hexagonale bipiramide.png Heptagonal bipyramid.png Octagonal bipyramid.png Enneagonal bipyramid.png Decagonal bipyramid.png
Coxeter CDel node f1.pngCDel 2x.pngCDel node f1.pngCDel 2x.pngCDel node.png CDel node f1.pngCDel 2x.pngCDel node f1.pngCDel 3.pngCDel node.png CDel node f1.pngCDel 2x.pngCDel node f1.pngCDel 4.pngCDel node.png CDel node f1.pngCDel 2x.pngCDel node f1.pngCDel 5.pngCDel node.png CDel node f1.pngCDel 2x.pngCDel node f1.pngCDel 6.pngCDel node.png CDel node f1.pngCDel 2x.pngCDel node f1.pngCDel 7.pngCDel node.png CDel node f1.pngCDel 2x.pngCDel node f1.pngCDel 8.pngCDel node.png CDel node f1.pngCDel 2x.pngCDel node f1.pngCDel 9.pngCDel node.png CDel node f1.pngCDel 2x.pngCDel node f1.pngCDel 10.pngCDel node.png
Tiling Spherical digonal bipyramid.png Spherical trigonal bipyramid.png Spherical square bipyramid.png Spherical pentagonal bipyramid.png Spherical hexagonal bipyramid.png Spherical heptagonal bipyramid.png Spherical octagonal bipyramid.png Spherical enneagonal bipyramid.png Spherical decagonal bipyramid.png
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

References

  1. Heptagonal Dipyramid dmccooey.com [2014-6-23]
  2. Lua error in package.lua at line 80: module 'strict' not found..

External links

<templatestyles src="Asbox/styles.css"></templatestyles>