| Acronym | ... | 
| Name | xo oq&#q, tetrahedron with one shorter edge, vertex figure of tisdip | 
| Circumradius | sqrt(7/10) = 0.836660 | 
| General of army | (is itself convex) | 
| Colonel of regiment | (is itself locally convex) | 
| Face vector | 4, 6, 4 | 
| Confer | 
Incidence matrix according to Dynkin symbol
xo oq&#q   → height = sqrt(5)/2 = 1.118034
(line || perp q-line – with q-lacings)
o. o.    | 2 * | 1 2 0 | 2 1
.o .o    | * 2 | 0 2 1 | 1 2
---------+-----+-------+----
x. ..    | 2 0 | 1 * * | 2 0
oo oo&#q | 1 1 | * 4 * | 1 1
.. .q    | 0 2 | * * 1 | 0 2
---------+-----+-------+----
xo ..&#q | 2 1 | 1 2 0 | 2 *  verf(trip)
.. oq&#q | 1 2 | 0 2 1 | * 2  verf(cube)
| © 2004-2025 | top of page |