Orthogonal projections in A6 Coxeter plane
6-simplexStericated 6-simplexSteritruncated 6-simplex
Stericantellated 6-simplexStericantitruncated 6-simplexSteriruncinated 6-simplex
Steriruncitruncated 6-simplexSteriruncicantellated 6-simplexSteriruncicantitruncated 6-simplex

In six-dimensional geometry, a stericated 6-simplex is a convex uniform 6-polytope with 4th order truncations (sterication) of the regular 6-simplex.

There are 8 unique sterications for the 6-simplex with permutations of truncations, cantellations, and runcinations.

Stericated 6-simplex

Stericated 6-simplex
Typeuniform 6-polytope
Schläfli symbolt0,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces105
4-faces700
Cells1470
Faces1400
Edges630
Vertices105
Vertex figure
Coxeter groupA6, [35], order 5040
Propertiesconvex

Alternate names

  • Small cellated heptapeton (Acronym: scal) (Jonathan Bowers)

Coordinates

The vertices of the stericated 6-simplex can be most simply positioned in 7-space as permutations of (0,0,1,1,1,1,2). This construction is based on facets of the stericated 7-orthoplex.

Images

Orthographic projections
Ak Coxeter planeA6A5A4
Graph
Dihedral symmetry[7][6][5]
Ak Coxeter planeA3A2
Graph
Dihedral symmetry[4][3]

Steritruncated 6-simplex

Steritruncated 6-simplex
Typeuniform 6-polytope
Schläfli symbolt0,1,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces105
4-faces945
Cells2940
Faces3780
Edges2100
Vertices420
Vertex figure
Coxeter groupA6, [35], order 5040
Propertiesconvex

Alternate names

  • Cellitruncated heptapeton (Acronym: catal) (Jonathan Bowers)

Coordinates

The vertices of the steritruncated 6-simplex can be most simply positioned in 7-space as permutations of (0,0,1,1,1,2,3). This construction is based on facets of the steritruncated 7-orthoplex.

Images

Orthographic projections
Ak Coxeter planeA6A5A4
Graph
Dihedral symmetry[7][6][5]
Ak Coxeter planeA3A2
Graph
Dihedral symmetry[4][3]

Stericantellated 6-simplex

Stericantellated 6-simplex
Typeuniform 6-polytope
Schläfli symbolt0,2,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces105
4-faces1050
Cells3465
Faces5040
Edges3150
Vertices630
Vertex figure
Coxeter groupA6, [35], order 5040
Propertiesconvex

Alternate names

  • Cellirhombated heptapeton (Acronym: cral) (Jonathan Bowers)

Coordinates

The vertices of the stericantellated 6-simplex can be most simply positioned in 7-space as permutations of (0,0,1,1,2,2,3). This construction is based on facets of the stericantellated 7-orthoplex.

Images

Orthographic projections
Ak Coxeter planeA6A5A4
Graph
Dihedral symmetry[7][6][5]
Ak Coxeter planeA3A2
Graph
Dihedral symmetry[4][3]

Stericantitruncated 6-simplex

Stericantitruncated 6-simplex
Typeuniform 6-polytope
Schläfli symbolt0,1,2,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces105
4-faces1155
Cells4410
Faces7140
Edges5040
Vertices1260
Vertex figure
Coxeter groupA6, [35], order 5040
Propertiesconvex

Alternate names

  • Celligreatorhombated heptapeton (Acronym: cagral) (Jonathan Bowers)

Coordinates

The vertices of the stericanttruncated 6-simplex can be most simply positioned in 7-space as permutations of (0,0,0,1,2,3,4). This construction is based on facets of the stericantitruncated 7-orthoplex.

Images

Orthographic projections
Ak Coxeter planeA6A5A4
Graph
Dihedral symmetry[7][6][5]
Ak Coxeter planeA3A2
Graph
Dihedral symmetry[4][3]

Steriruncinated 6-simplex

Steriruncinated 6-simplex
Typeuniform 6-polytope
Schläfli symbolt0,3,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces105
4-faces700
Cells1995
Faces2660
Edges1680
Vertices420
Vertex figure
Coxeter groupA6, [35], order 5040
Propertiesconvex

Alternate names

  • Celliprismated heptapeton (Acronym: copal) (Jonathan Bowers)

Coordinates

The vertices of the steriruncinated 6-simplex can be most simply positioned in 7-space as permutations of (0,0,1,2,2,3,3). This construction is based on facets of the steriruncinated 7-orthoplex.

Images

Orthographic projections
Ak Coxeter planeA6A5A4
Graph
Dihedral symmetry[7][6][5]
Ak Coxeter planeA3A2
Graph
Dihedral symmetry[4][3]

Steriruncitruncated 6-simplex

Steriruncitruncated 6-simplex
Typeuniform 6-polytope
Schläfli symbolt0,1,3,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces105
4-faces945
Cells3360
Faces5670
Edges4410
Vertices1260
Vertex figure
Coxeter groupA6, [35], order 5040
Propertiesconvex

Alternate names

  • Celliprismatotruncated heptapeton (Acronym: captal) (Jonathan Bowers)

Coordinates

The vertices of the steriruncittruncated 6-simplex can be most simply positioned in 7-space as permutations of (0,0,0,1,2,3,4). This construction is based on facets of the steriruncitruncated 7-orthoplex.

Images

Orthographic projections
Ak Coxeter planeA6A5A4
Graph
Dihedral symmetry[7][6][5]
Ak Coxeter planeA3A2
Graph
Dihedral symmetry[4][3]

Steriruncicantellated 6-simplex

Steriruncicantellated 6-simplex
Typeuniform 6-polytope
Schläfli symbolt0,2,3,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces105
4-faces1050
Cells3675
Faces5880
Edges4410
Vertices1260
Vertex figure
Coxeter groupA6, [35], order 5040
Propertiesconvex

Alternate names

  • Bistericantitruncated 6-simplex as t1,2,3,5{3,3,3,3,3}
  • Celliprismatorhombated heptapeton (Acronym: copril) (Jonathan Bowers)

Coordinates

The vertices of the steriruncitcantellated 6-simplex can be most simply positioned in 7-space as permutations of (0,0,0,1,2,3,4). This construction is based on facets of the steriruncicantellated 7-orthoplex.

Images

Orthographic projections
Ak Coxeter planeA6A5A4
Graph
Dihedral symmetry[7][6][5]
Ak Coxeter planeA3A2
Graph
Dihedral symmetry[4][3]

Steriruncicantitruncated 6-simplex

Steriuncicantitruncated 6-simplex
Typeuniform 6-polytope
Schläfli symbolt0,1,2,3,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces105
4-faces1155
Cells4620
Faces8610
Edges7560
Vertices2520
Vertex figure
Coxeter groupA6, [35], order 5040
Propertiesconvex

Alternate names

  • Great cellated heptapeton (Acronym: gacal) (Jonathan Bowers)

Coordinates

The vertices of the steriruncicantittruncated 6-simplex can be most simply positioned in 7-space as permutations of (0,0,1,2,3,4,5). This construction is based on facets of the steriruncicantitruncated 7-orthoplex.

Images

Orthographic projections
Ak Coxeter planeA6A5A4
Graph
Dihedral symmetry[7][6][5]
Ak Coxeter planeA3A2
Graph
Dihedral symmetry[4][3]

Related uniform 6-polytopes

The stericated 6-simplexes are in a set of 35 uniform 6-polytopes based on the [3,3,3,3,3] Coxeter group, all shown here in A6 Coxeter plane orthographic projections.

A6 polytopes
t0t1t2t0,1t0,2t1,2t0,3t1,3t2,3
t0,4t1,4t0,5t0,1,2t0,1,3t0,2,3t1,2,3t0,1,4t0,2,4
t1,2,4t0,3,4t0,1,5t0,2,5t0,1,2,3t0,1,2,4t0,1,3,4t0,2,3,4t1,2,3,4
t0,1,2,5t0,1,3,5t0,2,3,5t0,1,4,5t0,1,2,3,4t0,1,2,3,5t0,1,2,4,5t0,1,2,3,4,5

Notes

  • 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 Ivić 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. .

External links

vteFundamental convex regular and uniform polytopes in dimensions 2–10
FamilyAnBnI2(p) / DnE6 / E7 / E8 / F4 / G2Hn
Regular polygonTriangleSquarep-gonHexagonPentagon
Uniform polyhedronTetrahedronOctahedronCubeDemicubeDodecahedronIcosahedron
Uniform polychoronPentachoron16-cellTesseractDemitesseract24-cell120-cell600-cell
Uniform 5-polytope5-simplex5-orthoplex5-cube5-demicube
Uniform 6-polytope6-simplex6-orthoplex6-cube6-demicube122221
Uniform 7-polytope7-simplex7-orthoplex7-cube7-demicube132231321
Uniform 8-polytope8-simplex8-orthoplex8-cube8-demicube142241421
Uniform 9-polytope9-simplex9-orthoplex9-cube9-demicube
Uniform 10-polytope10-simplex10-orthoplex10-cube10-demicube
Uniform n-polytopen-simplexn-orthoplexn-cuben-demicube1k22k1k21n-pentagonal polytope
Topics: Polytope familiesRegular polytopeList of regular polytopes and compounds • Polytope operations