Pentisteriruncicantellated_7-demicube

Hexic 7-cubes

In seven-dimensional geometry, a hexic 7-cube is a convex uniform 7-polytope, constructed from the uniform 7-demicube. There are 16 unique forms.

More information Orthogonal projections in D7 Coxeter plane ...

Hexic 7-cube

Hexic 7-cube
Typeuniform 7-polytope
Schläfli symbolt0,5{3,34,1}
h6{4,35}
Coxeter-Dynkin diagram
5-faces
4-faces
Cells
Faces
Edges4704
Vertices448
Vertex figure
Coxeter groupsD7, [34,1,1]
Propertiesconvex

Cartesian coordinates

The Cartesian coordinates for the vertices of a hexic 7-cube centered at the origin are coordinate permutations:

(±1,±1,±1,±1,±1,±1,±3)

with an odd number of plus signs.

Images

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Hexicantic 7-cube

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Hexiruncic 7-cube

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Hexisteric 7-cube

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Hexipentic 7-cube

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Hexiruncicantic 7-cube

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Hexistericantic 7-cube

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Hexipenticantic 7-cube

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Hexisteriruncic 7-cube

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Hexipentiruncic 7-cube

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Hexipentisteric 7-cube

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Hexisteriruncicantic 7-cube

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Hexipentiruncicantic 7-cube

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Hexipentisteriruncic 7-cube

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Hexipentistericantic 7-cube

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Hexipentisteriruncicantic 7-cube

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This polytope is based on the 7-demicube, a part of a dimensional family of uniform polytopes called demihypercubes for being alternation of the hypercube family.

There are 95 uniform polytopes with D7 symmetry, 63 are shared by the BC7 symmetry, and 32 are unique:


Notes

    References

    • H.S.M. Coxeter:
      • H.S.M. Coxeter, Regular Polytopes, 3rd Edition, Dover New York, 1973
      • Kaleidoscopes: Selected Writings of H.S.M. Coxeter, edited by F. Arthur Sherk, Peter McMullen, Anthony C. Thompson, Asia Ivic Weiss, Wiley-Interscience Publication, 1995, ISBN 978-0-471-01003-6
        • (Paper 22) H.S.M. Coxeter, Regular and Semi Regular Polytopes I, [Math. Zeit. 46 (1940) 380-407, MR 2,10]
        • (Paper 23) H.S.M. Coxeter, Regular and Semi-Regular Polytopes II, [Math. Zeit. 188 (1985) 559-591]
        • (Paper 24) H.S.M. Coxeter, Regular and Semi-Regular Polytopes III, [Math. Zeit. 200 (1988) 3-45]
    • Norman Johnson Uniform Polytopes, Manuscript (1991)
      • N.W. Johnson: The Theory of Uniform Polytopes and Honeycombs, Ph.D.
    • Klitzing, Richard. "7D uniform polytopes (polyexa)".
    More information Family, Regular polygon ...

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