❴8/3,8∣3❵

{8/3,8∣3}
Rank	3
Dimension	4
Type	Regular
Elements
Faces	144 octagrams
Edges	576
Vertices	144
Vertex figure	Skew octagon, edge length ${\sqrt {2-{\sqrt {2}}}}$
Holes	384 triangles
Measures (edge length 1)
Circumradius	${\sqrt {2-{\sqrt {2}}}}\approx 1.84776$
Related polytopes
Army	Spic
Regiment	Giddic
Dual	{8,8/3∣3}
φ 2	Octahedron
φ 3	{4,8/3∣3}
Conjugates	{8,8/3∣3}
Abstract & topological properties
Flag count	2304
Euler characteristic	-288
Orientable	Yes
Genus	145
Properties
Symmetry	F4×2, order 2304
Convex	No
Dimension vector	(3,2,3)

Relations between polyhedra with planar faces and F₄×2 symmetry. $\delta$ represents the dual, $\phi _{3}$ represents third-order facetting, and $c$ represents the conjugate.

{8/3,8∣3} is a regular skew polyhedron in 4-dimensional Euclidean space. It consists of exactly the octagrammic faces of the great distetracontoctachoron.