Stericated 6-simplexes

Orthogonal projections in A₆ Coxeter plane
6-simplex	Stericated 6-simplex	Steritruncated 6-simplex
Stericantellated 6-simplex	Stericantitruncated 6-simplex	Steriruncinated 6-simplex
Steriruncitruncated 6-simplex	Steriruncicantellated 6-simplex	Steriruncicantitruncated 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
Type	uniform 6-polytope
Schläfli symbol	t_0,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces	105
4-faces	700
Cells	1470
Faces	1400
Edges	630
Vertices	105
Vertex figure
Coxeter group	A₆, [3⁵], order 5040
Properties	convex

Alternate names

Small cellated heptapeton (Acronym: scal) (Jonathan Bowers)^[1]

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
A_k Coxeter plane	A₆	A₅	A₄
Graph
Dihedral symmetry	[7]	[6]	[5]
A_k Coxeter plane	A₃	A₂
Graph
Dihedral symmetry	[4]	[3]

Steritruncated 6-simplex

Steritruncated 6-simplex
Type	uniform 6-polytope
Schläfli symbol	t_0,1,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces	105
4-faces	945
Cells	2940
Faces	3780
Edges	2100
Vertices	420
Vertex figure
Coxeter group	A₆, [3⁵], order 5040
Properties	convex

Alternate names

Cellitruncated heptapeton (Acronym: catal) (Jonathan Bowers)^[2]

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
A_k Coxeter plane	A₆	A₅	A₄
Graph
Dihedral symmetry	[7]	[6]	[5]
A_k Coxeter plane	A₃	A₂
Graph
Dihedral symmetry	[4]	[3]

Stericantellated 6-simplex

Stericantellated 6-simplex
Type	uniform 6-polytope
Schläfli symbol	t_0,2,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces	105
4-faces	1050
Cells	3465
Faces	5040
Edges	3150
Vertices	630
Vertex figure
Coxeter group	A₆, [3⁵], order 5040
Properties	convex

Alternate names

Cellirhombated heptapeton (Acronym: cral) (Jonathan Bowers)^[3]

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
A_k Coxeter plane	A₆	A₅	A₄
Graph
Dihedral symmetry	[7]	[6]	[5]
A_k Coxeter plane	A₃	A₂
Graph
Dihedral symmetry	[4]	[3]

Stericantitruncated 6-simplex

stericantitruncated 6-simplex
Type	uniform 6-polytope
Schläfli symbol	t_0,1,2,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces	105
4-faces	1155
Cells	4410
Faces	7140
Edges	5040
Vertices	1260
Vertex figure
Coxeter group	A₆, [3⁵], order 5040
Properties	convex

Alternate names

Celligreatorhombated heptapeton (Acronym: cagral) (Jonathan Bowers)^[4]

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
A_k Coxeter plane	A₆	A₅	A₄
Graph
Dihedral symmetry	[7]	[6]	[5]
A_k Coxeter plane	A₃	A₂
Graph
Dihedral symmetry	[4]	[3]

Steriruncinated 6-simplex

steriruncinated 6-simplex
Type	uniform 6-polytope
Schläfli symbol	t_0,3,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces	105
4-faces	700
Cells	1995
Faces	2660
Edges	1680
Vertices	420
Vertex figure
Coxeter group	A₆, [3⁵], order 5040
Properties	convex

Alternate names

Celliprismated heptapeton (Acronym: copal) (Jonathan Bowers)^[5]

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
A_k Coxeter plane	A₆	A₅	A₄
Graph
Dihedral symmetry	[7]	[6]	[5]
A_k Coxeter plane	A₃	A₂
Graph
Dihedral symmetry	[4]	[3]

Steriruncitruncated 6-simplex

steriruncitruncated 6-simplex
Type	uniform 6-polytope
Schläfli symbol	t_0,1,3,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces	105
4-faces	945
Cells	3360
Faces	5670
Edges	4410
Vertices	1260
Vertex figure
Coxeter group	A₆, [3⁵], order 5040
Properties	convex

Alternate names

Celliprismatotruncated heptapeton (Acronym: captal) (Jonathan Bowers)^[6]

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
A_k Coxeter plane	A₆	A₅	A₄
Graph
Dihedral symmetry	[7]	[6]	[5]
A_k Coxeter plane	A₃	A₂
Graph
Dihedral symmetry	[4]	[3]

Steriruncicantellated 6-simplex

steriruncicantellated 6-simplex
Type	uniform 6-polytope
Schläfli symbol	t_0,2,3,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces	105
4-faces	1050
Cells	3675
Faces	5880
Edges	4410
Vertices	1260
Vertex figure
Coxeter group	A₆, [3⁵], order 5040
Properties	convex

Alternate names

Bistericantitruncated 6-simplex as t_1,2,3,5{3,3,3,3,3}
Celliprismatorhombated heptapeton (Acronym: copril) (Jonathan Bowers)^[7]

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
A_k Coxeter plane	A₆	A₅	A₄
Graph
Dihedral symmetry	[7]	[6]	[5]
A_k Coxeter plane	A₃	A₂
Graph
Dihedral symmetry	[4]	[3]

Steriruncicantitruncated 6-simplex

Steriuncicantitruncated 6-simplex
Type	uniform 6-polytope
Schläfli symbol	t_0,1,2,3,4{3,3,3,3,3}
Coxeter-Dynkin diagrams
5-faces	105
4-faces	1155
Cells	4620
Faces	8610
Edges	7560
Vertices	2520
Vertex figure
Coxeter group	A₆, [3⁵], order 5040
Properties	convex

Alternate names

Great cellated heptapeton (Acronym: gacal) (Jonathan Bowers)^[8]

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
A_k Coxeter plane	A₆	A₅	A₄
Graph
Dihedral symmetry	[7]	[6]	[5]
A_k Coxeter plane	A₃	A₂
Graph
Dihedral symmetry	[4]	[3]

Related uniform 6-polytopes

The truncated 6-simplex is one of 35 uniform 6-polytopes based on the [3,3,3,3,3] Coxeter group, all shown here in A₆ Coxeter plane orthographic projections.

Notes

↑ Klitzing, (x3o3o3o3x3o - scal)
↑ Klitzing, (x3x3o3o3x3o - catal)
↑ Klitzing, (x3o3x3o3x3o - cral)
↑ Klitzing, (x3x3x3o3x3o - cagral)
↑ Klitzing, (x3o3o3x3x3o - copal)
↑ Klitzing, (x3x3o3x3x3o - captal)
↑ Klitzing, ( x3o3x3x3x3o - copril)
↑ Klitzing, (x3x3x3x3x3o - gacal)

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. "6D uniform polytopes (polypeta)".

External links

Fundamental convex regular and uniform polytopes in dimensions 2–10
Family	A_n	B_n	I₂(p) / D_n	E₆ / E₇ / E₈ / F₄ / G₂	H_n
Regular polygon	Triangle	Square	p-gon	Hexagon	Pentagon
Uniform polyhedron	Tetrahedron	Octahedron • Cube	Demicube		Dodecahedron • Icosahedron
Uniform polychoron	Pentachoron	16-cell • Tesseract	Demitesseract	24-cell	120-cell • 600-cell
Uniform 5-polytope	5-simplex	5-orthoplex • 5-cube	5-demicube
Uniform 6-polytope	6-simplex	6-orthoplex • 6-cube	6-demicube	1₂₂ • 2₂₁
Uniform 7-polytope	7-simplex	7-orthoplex • 7-cube	7-demicube	1₃₂ • 2₃₁ • 3₂₁
Uniform 8-polytope	8-simplex	8-orthoplex • 8-cube	8-demicube	1₄₂ • 2₄₁ • 4₂₁
Uniform 9-polytope	9-simplex	9-orthoplex • 9-cube	9-demicube
Uniform 10-polytope	10-simplex	10-orthoplex • 10-cube	10-demicube
Uniform n-polytope	n-simplex	n-orthoplex • n-cube	n-demicube	1_k2 • 2_k1 • k₂₁	n-pentagonal polytope
Topics: Polytope families • Regular polytope • List of regular polytopes and compounds

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[1] Klitzing, (x3o3o3o3x3o - scal)

[2] Klitzing, (x3x3o3o3x3o - catal)

[3] Klitzing, (x3o3x3o3x3o - cral)

[4] Klitzing, (x3x3x3o3x3o - cagral)

[5] Klitzing, (x3o3o3x3x3o - copal)

[6] Klitzing, (x3x3o3x3x3o - captal)

[7] Klitzing, ( x3o3x3x3x3o - copril)

[8] Klitzing, (x3x3x3x3x3o - gacal)

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[2]

[3]

[4]

[5]

[6]

[7]

[8]

A6 polytopes
t₀	t₁	t₂	t_0,1	t_0,2	t_1,2	t_0,3	t_1,3	t_2,3
t_0,4	t_1,4	t_0,5	t_0,1,2	t_0,1,3	t_0,2,3	t_1,2,3	t_0,1,4	t_0,2,4
t_1,2,4	t_0,3,4	t_0,1,5	t_0,2,5	t_0,1,2,3	t_0,1,2,4	t_0,1,3,4	t_0,2,3,4	t_1,2,3,4
t_0,1,2,5	t_0,1,3,5	t_0,2,3,5	t_0,1,4,5	t_0,1,2,3,4	t_0,1,2,3,5	t_0,1,2,4,5	t_0,1,2,3,4,5