Cantellated 8-simplexes

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Cantellated 8-simplexes

In eight-dimensional geometry, a cantellated 8-simplex is a convex uniform 8-polytope, being a cantellation of the regular 8-simplex.

More information Orthogonal projections in A8 Coxeter plane ...
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Cantellated
8-simplex
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Bicantellated
8-simplex
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Tricantellated
8-simplex
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Cantitruncated
8-simplex
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Bicantitruncated
8-simplex
Thumb
Tricantitruncated
8-simplex
Orthogonal projections in A8 Coxeter plane
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There are six unique cantellations for the 8-simplex, including permutations of truncation.

Cantellated 8-simplex

Cantellated 8-simplex
Typeuniform 8-polytope
Schläfli symbolrr{3,3,3,3,3,3,3}
Coxeter-Dynkin diagram
7-faces
6-faces
5-faces
4-faces
Cells
Faces
Edges1764
Vertices252
Vertex figure6-simplex prism
Coxeter groupA8, [37], order 362880
Propertiesconvex

Alternate names

  • Small rhombated enneazetton (acronym: srene) (Jonathan Bowers)[1]

Coordinates

The Cartesian coordinates of the vertices of the cantellated 8-simplex can be most simply positioned in 9-space as permutations of (0,0,0,0,0,0,1,1,2). This construction is based on facets of the cantellated 9-orthoplex.

Images

More information Ak Coxeter plane, A8 ...
orthographic projections
Ak Coxeter plane A8 A7 A6 A5
Graph Thumb Thumb Thumb Thumb
Dihedral symmetry [9] [8] [7] [6]
Ak Coxeter plane A4 A3 A2
Graph Thumb Thumb Thumb
Dihedral symmetry [5] [4] [3]
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Bicantellated 8-simplex

More information Bicantellated 8-simplex ...
Bicantellated 8-simplex
Typeuniform 8-polytope
Schläfli symbolr2r{3,3,3,3,3,3,3}
Coxeter-Dynkin diagram
7-faces
6-faces
5-faces
4-faces
Cells
Faces
Edges5292
Vertices756
Vertex figure
Coxeter groupA8, [37], order 362880
Propertiesconvex
Close

Alternate names

  • Small birhombated enneazetton (acronym: sabrene) (Jonathan Bowers)[2]

Coordinates

The Cartesian coordinates of the vertices of the bicantellated 8-simplex can be most simply positioned in 9-space as permutations of (0,0,0,0,0,1,1,2,2). This construction is based on facets of the bicantellated 9-orthoplex.

Images

More information Ak Coxeter plane, A8 ...
orthographic projections
Ak Coxeter plane A8 A7 A6 A5
Graph Thumb Thumb Thumb Thumb
Dihedral symmetry [9] [8] [7] [6]
Ak Coxeter plane A4 A3 A2
Graph Thumb Thumb Thumb
Dihedral symmetry [5] [4] [3]
Close

Tricantellated 8-simplex

More information tricantellated 8-simplex ...
tricantellated 8-simplex
Typeuniform 8-polytope
Schläfli symbolr3r{3,3,3,3,3,3,3}
Coxeter-Dynkin diagram
7-faces
6-faces
5-faces
4-faces
Cells
Faces
Edges8820
Vertices1260
Vertex figure
Coxeter groupA8, [37], order 362880
Propertiesconvex
Close

Alternate names

  • Small trirhombihexadecaexon (acronym: satrene) (Jonathan Bowers)[3]

Coordinates

The Cartesian coordinates of the vertices of the tricantellated 8-simplex can be most simply positioned in 9-space as permutations of (0,0,0,0,0,1,1,2,2). This construction is based on facets of the tricantellated 9-orthoplex.

Images

More information Ak Coxeter plane, A8 ...
orthographic projections
Ak Coxeter plane A8 A7 A6 A5
Graph Thumb Thumb Thumb Thumb
Dihedral symmetry [9] [8] [7] [6]
Ak Coxeter plane A4 A3 A2
Graph Thumb Thumb Thumb
Dihedral symmetry [5] [4] [3]
Close

Cantitruncated 8-simplex

More information Cantitruncated 8-simplex ...
Cantitruncated 8-simplex
Typeuniform 8-polytope
Schläfli symboltr{3,3,3,3,3,3,3}
Coxeter-Dynkin diagram
7-faces
6-faces
5-faces
4-faces
Cells
Faces
Edges
Vertices
Vertex figure
Coxeter groupA8, [37], order 362880
Propertiesconvex
Close

Alternate names

  • Great rhombated enneazetton (acronym: grene) (Jonathan Bowers)[4]

Coordinates

The Cartesian coordinates of the vertices of the cantitruncated 8-simplex can be most simply positioned in 9-space as permutations of (0,0,0,0,0,0,1,2,3). This construction is based on facets of the bicantitruncated 9-orthoplex.

Images

More information Ak Coxeter plane, A8 ...
orthographic projections
Ak Coxeter plane A8 A7 A6 A5
Graph Thumb Thumb Thumb Thumb
Dihedral symmetry [9] [8] [7] [6]
Ak Coxeter plane A4 A3 A2
Graph Thumb Thumb Thumb
Dihedral symmetry [5] [4] [3]
Close

Bicantitruncated 8-simplex

More information Bicantitruncated 8-simplex ...
Bicantitruncated 8-simplex
Typeuniform 8-polytope
Schläfli symbolt2r{3,3,3,3,3,3,3}
Coxeter-Dynkin diagram
7-faces
6-faces
5-faces
4-faces
Cells
Faces
Edges
Vertices
Vertex figure
Coxeter groupA8, [37], order 362880
Propertiesconvex
Close

Alternate names

  • Great birhombated enneazetton (acronym: gabrene) (Jonathan Bowers)[5]

Coordinates

The Cartesian coordinates of the vertices of the bicantitruncated 8-simplex can be most simply positioned in 9-space as permutations of (0,0,0,0,0,1,2,3,3). This construction is based on facets of the bicantitruncated 9-orthoplex.

Images

More information Ak Coxeter plane, A8 ...
orthographic projections
Ak Coxeter plane A8 A7 A6 A5
Graph Thumb Thumb Thumb Thumb
Dihedral symmetry [9] [8] [7] [6]
Ak Coxeter plane A4 A3 A2
Graph Thumb Thumb Thumb
Dihedral symmetry [5] [4] [3]
Close

Tricantitruncated 8-simplex

More information Tricantitruncated 8-simplex ...
Tricantitruncated 8-simplex
Typeuniform 8-polytope
Schläfli symbolt3r{3,3,3,3,3,3,3}
Coxeter-Dynkin diagram
7-faces
6-faces
5-faces
4-faces
Cells
Faces
Edges
Vertices
Vertex figure
Coxeter groupA8, [37], order 362880
Propertiesconvex
Close
  • Great trirhombated enneazetton (acronym: gatrene) (Jonathan Bowers)[6]

Coordinates

The Cartesian coordinates of the vertices of the tricantitruncated 8-simplex can be most simply positioned in 9-space as permutations of (0,0,0,0,1,2,3,3,3). This construction is based on facets of the bicantitruncated 9-orthoplex.

Images

More information Ak Coxeter plane, A8 ...
orthographic projections
Ak Coxeter plane A8 A7 A6 A5
Graph Thumb Thumb Thumb Thumb
Dihedral symmetry [9] [8] [7] [6]
Ak Coxeter plane A4 A3 A2
Graph Thumb Thumb Thumb
Dihedral symmetry [5] [4] [3]
Close

This polytope is one of 135 uniform 8-polytopes with A8 symmetry.

More information A8 polytopes ...
A8 polytopes

t0

t1

t2

t3

t01

t02

t12

t03

t13

t23

t04

t14

t24

t34

t05

t15

t25

t06

t16

t07

t012

t013

t023

t123

t014

t024

t124

t034

t134

t234

t015

t025

t125

t035

t135

t235

t045

t145

t016

t026

t126

t036

t136

t046

t056

t017

t027

t037

t0123

t0124

t0134

t0234

t1234

t0125

t0135

t0235

t1235

t0145

t0245

t1245

t0345

t1345

t2345

t0126

t0136

t0236

t1236

t0146

t0246

t1246

t0346

t1346

t0156

t0256

t1256

t0356

t0456

t0127

t0137

t0237

t0147

t0247

t0347

t0157

t0257

t0167

t01234

t01235

t01245

t01345

t02345

t12345

t01236

t01246

t01346

t02346

t12346

t01256

t01356

t02356

t12356

t01456

t02456

t03456

t01237

t01247

t01347

t02347

t01257

t01357

t02357

t01457

t01267

t01367

t012345

t012346

t012356

t012456

t013456

t023456

t123456

t012347

t012357

t012457

t013457

t023457

t012367

t012467

t013467

t012567

t0123456

t0123457

t0123467

t0123567

t01234567
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Notes

References

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