Pentagonal hexecontahedral tegum

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Pentagonal hexecontahedral tegum
Rank4
TypeUniform dual
Notation
Coxeter diagramm2p5p3p
Elements
Cells120 irregular pentagonal pyramids
Faces60+120+120 scalene triangles, 60 irregular pentagons
Edges24+30+40+60+60+120
Vertices2+12+20+60
Vertex figure2 pentagonal hexecontahedra, 12 pentagonal tegums, 20+60 triangular tegums)
Measures (edge length 1)
Central density1
Related polytopes
DualSnub dodecahedral prism
ConjugatesGreat pentagonal hexecontahedral tegum, great inverted hexecontahedral tegum, great pentagrammic hexecontahedral tegum
Abstract & topological properties
Euler characteristic0
OrientableYes
Properties
SymmetryH3+×A1, order 120
ConvexYes
NatureTame

The pentagonal hexecontahedral tegum, also called the pentagonal hexecontahedral bipyramid, is a convex isochoric polychoron with 120 irregular pentagonal pyramids as cells. As the name suggests, it can be constructed as a tegum based on the pentagonal hexecontahedron.

In the variant obtained as the dual of the uniform snub dodecahedral prism, if the short edges of the pentagonal hexecontahedron have length 1, its height is approximately 30.17765.