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Rectified 120-cell

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Rectified 120-cell
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In geometry, a rectified 120-cell is a uniform 4-polytope formed as the rectification of the regular 120-cell.

More information Orthogonal projections in H3 Coxeter plane ...

E. L. Elte identified it in 1912 as a semiregular polytope, labeling it as tC120.

There are four rectifications of the 120-cell, including the zeroth, the 120-cell itself. The birectified 120-cell is more easily seen as a rectified 600-cell, and the trirectified 120-cell is the same as the dual 600-cell.

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Rectified 120-cell

Rectified 120-cell
Thumb
Schlegel diagram, centered on icosidodecahedon, tetrahedral cells visible
TypeUniform 4-polytope
Uniform index33
Coxeter diagram
Schläfli symbolt1{5,3,3}
or r{5,3,3}
Cells720 total:
120 (3.5.3.5)
600 (3.3.3)
Faces3120 total:
2400 {3}, 720 {5}
Edges3600
Vertices1200
Vertex figureThumb
triangular prism
Symmetry groupH4 or [3,3,5]
Propertiesconvex, vertex-transitive, edge-transitive
Thumb
Net

In geometry, the rectified 120-cell or rectified hecatonicosachoron is a convex uniform 4-polytope composed of 600 regular tetrahedra and 120 icosidodecahedra cells. Its vertex figure is a triangular prism, with three icosidodecahedra and two tetrahedra meeting at each vertex.

Alternative names:

  • Rectified 120-cell (Norman Johnson)
  • Rectified hecatonicosichoron / rectified dodecacontachoron / rectified polydodecahedron
  • Icosidodecahedral hexacosihecatonicosachoron
  • Rahi (Jonathan Bowers: for rectified hecatonicosachoron)
  • Ambohecatonicosachoron (Neil Sloane & John Horton Conway)
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Projections

More information 3D parallel projection ...
More information H4, - ...
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More information H4 family polytopes, 120-cell ...

Notes

References

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