-
being composed of
three 8-cubes
around each 7-face. It is also
called an
enneract, a
portmanteau of
tesseract (the 4-cube) and enne for nine (dimensions)...
- symmetry.
Rectified enneract (Acronym ren) (Jonathan Bowers)
Birectified enneract (Acronym barn) (Jonathan Bowers)
Trirectified enneract (Acronym tarn) (Jonathan...
- Hexadeca-8-tope {4,3,3,3,3,3,3} 256 1024 1792 1792 1120 448 112 16 1 9 9-cube
Enneract Octadeca-9-tope {4,3,3,3,3,3,3,3} 512 2304 4608 5376 4032 2016 672 144...
- cross-polytopes or orthoplexes. The dual
polytope is the 9-hypercube or
enneract. Enneacross,
derived from
combining the
family name
cross polytope with...
-
vertices of a
demienneract centered at the
origin are
alternate halves of the
enneract: (±1,±1,±1,±1,±1,±1,±1,±1,±1) with an odd
number of plus signs. H.S.M....
-
rings in the
group diagram,
including two
regular ones: {4,37} - 9-cube or
enneract - {37,4} - 9-orthoplex or
enneacross -
Demihypercube D9 family: [36,1,1]...
