Acronym | tedope |
Name | tetra(hedrally) diminished octahedronal prism |
Circumradius | sqrt(3)/2 = 0.866025 |
Face vector | 8, 22, 26, 12 |
Confer |
This diminishing of ope takes place at the vertices of an inscribed q-tet. The latter can be considered as a digonal antiprism with its degenerate bases being arbitrary non-parallel diagonals of the (former) octs.
Incidence matrix according to Dynkin symbol
oo qo oq&#zx || qo oo oq&#zx → height = 1 (square (in rhombic position) atop partly orthogonal square (in rhombic position)) o. o. o. .. .. .. | 2 * * * | 2 2 2 0 0 0 | 1 4 2 4 0 0 | 2 4 1 .o .o .o .. .. .. | * 2 * * | 2 0 0 2 1 0 | 1 4 2 0 2 0 | 2 4 0 .. .. .. o. o. o. | * * 2 * | 0 2 0 2 0 2 | 0 4 0 4 2 1 | 1 4 2 .. .. .. .o .o .o | * * * 2 | 0 0 2 0 1 2 | 0 0 2 4 2 1 | 0 4 2 ----------------------------+---------+-------------+-------------+------ oo oo oo&#x .. .. .. | 1 1 0 0 | 4 * * * * * | 1 2 1 0 0 0 | 2 2 0 x o. o. o. || o. o. o. | 1 0 1 0 | * 4 * * * * | 0 2 0 2 0 0 | 1 2 1 q o. o. o. || .o .o .o | 1 0 0 1 | * * 4 * * * | 0 0 1 2 0 0 | 0 2 1 q .o .o .o || o. o. o. | 0 1 1 0 | * * * 4 * * | 0 2 0 0 1 0 | 1 2 0 q .o .o .o || .o .o .o | 0 1 0 1 | * * * * 2 * | 0 0 2 0 2 0 | 0 4 0 x .. .. .. oo oo oo&#x | 0 0 1 1 | * * * * * 4 | 0 0 0 2 1 1 | 0 2 2 x ----------------------------+---------+-------------+-------------+------ .. qo oq&#zx .. .. .. | 2 2 0 0 | 4 0 0 0 0 0 | 1 * * * * * | 2 0 0 x-{4} oo oo oo&#x || o. o. o. | 1 1 1 0 | 1 1 0 1 0 0 | * 8 * * * * | 1 1 0 {xqq} oo oo oo&#x || .o .o .o | 1 1 0 1 | 1 0 1 0 1 0 | * * 4 * * * | 0 2 0 {xxq} o. o. o. || oo oo oo&#x | 1 0 1 1 | 0 1 1 0 0 1 | * * * 8 * * | 0 1 1 {xqq} .o .o .o || oo oo oo&#x | 0 1 1 1 | 0 0 0 1 1 1 | * * * * 4 * | 0 2 0 {xxq} .. .. .. qo .. oq&#zx | 0 0 2 2 | 0 0 0 0 0 4 | * * * * * 1 | 0 0 2 x-{4} ----------------------------+---------+-------------+-------------+------ .. qo oq&#zx || o. o. o. | 2 2 1 0 | 4 2 0 2 0 0 | 1 4 0 0 0 0 | 2 * * ox4oo&#q oo oo oo&#x || oo oo oo&#x | 1 1 1 1 | 1 1 1 1 1 1 | 0 1 1 1 1 0 | * 8 * (x-x-x,q-q-q) simplex o. o. o. || qo .. oq&#zx | 1 0 2 2 | 0 2 2 0 0 4 | 0 0 0 4 0 1 | * * 2 ox4oo&#q
or o. o. o. .. .. .. & | 4 * | 2 2 2 0 | 1 8 2 | 3 4 .o .o .o .. .. .. & | * 4 | 2 0 2 1 | 1 4 4 | 2 4 ------------------------------+-----+---------+--------+---- oo oo oo&#x .. .. .. & | 1 1 | 8 * * * | 1 2 1 | 2 2 x o. o. o. || o. o. o. | 2 0 | * 4 * * | 0 4 0 | 2 2 q o. o. o. || .o .o .o & | 1 1 | * * 8 * | 0 2 1 | 1 2 q .o .o .o || .o .o .o | 0 2 | * * * 2 | 0 0 4 | 0 4 x ------------------------------+-----+---------+--------+---- .. qo oq&#zx .. .. .. & | 2 2 | 4 0 0 0 | 2 * * | 2 0 x-{4} oo oo oo&#x || o. o. o. & | 2 1 | 1 1 1 0 | * 16 * | 1 1 {xqq} oo oo oo&#x || .o .o .o & | 1 2 | 1 0 1 1 | * * 8 | 0 2 {xxq} ------------------------------+-----+---------+--------+---- .. qo oq&#zx || o. o. o. & | 3 2 | 4 2 2 0 | 1 4 0 | 4 * ox4oo&#q oo oo oo&#x || oo oo oo&#x | 2 2 | 2 1 2 1 | 0 2 2 | * 8 (x-x-x,q-q-q) simplex
oqo ooo&#xt || ooo oqo&#xt → height = 1 o.. o.. ... ... | 1 * * * * * | 2 1 2 0 0 0 0 0 0 0 0 | 1 2 4 2 0 0 0 0 0 0 | 2 4 0 0 .o. .o. ... ... | * 2 * * * * | 1 0 0 1 1 2 1 0 0 0 0 | 1 1 2 0 2 1 2 2 0 0 | 2 2 2 1 ..o ..o ... ... | * * 1 * * * | 0 0 0 2 0 0 0 2 1 0 0 | 1 0 0 0 4 2 0 0 2 0 | 2 0 4 0 ... ... o.. o.. | * * * 1 * * | 0 1 0 0 2 0 0 0 0 2 0 | 0 2 0 2 0 0 4 0 0 1 | 0 4 0 2 ... ... .o. .o. | * * * * 2 * | 0 0 1 0 0 2 0 1 0 1 1 | 0 0 2 1 2 0 2 2 1 1 | 1 2 2 2 ... ... ..o ..o | * * * * * 1 | 0 0 0 0 0 0 2 0 1 0 2 | 0 0 0 0 0 2 0 4 2 1 | 0 0 4 2 --------------------------+-------------+-----------------------+---------------------+-------- oo. oo.&#x ... ... | 1 1 0 0 0 0 | 2 * * * * * * * * * * | 1 1 2 0 0 0 0 0 0 0 | 2 2 0 0 x o.. o.. || o.. o.. | 1 0 0 1 0 0 | * 1 * * * * * * * * * | 0 2 0 2 0 0 0 0 0 0 | 0 4 0 0 x o.. o.. || .o. .o. | 1 0 0 0 1 0 | * * 2 * * * * * * * * | 0 0 2 1 0 0 0 0 0 0 | 1 2 0 0 q .oo .oo&#x ... ... | 0 1 1 0 0 0 | * * * 2 * * * * * * * | 1 0 0 0 2 1 0 0 0 0 | 2 0 2 0 x .o. .o. || o.. o.. | 0 1 0 1 0 0 | * * * * 2 * * * * * * | 0 1 0 0 0 0 2 0 0 0 | 0 2 0 1 q .o. .o. || .o. .o. | 0 1 0 0 1 0 | * * * * * 4 * * * * * | 0 0 1 0 1 0 1 1 0 0 | 1 1 1 1 q .o. .o. || ..o ..o | 0 1 0 0 0 1 | * * * * * * 2 * * * * | 0 0 0 0 0 1 0 2 0 0 | 0 0 2 1 q ..o ..o || .o. .o. | 0 0 1 0 1 0 | * * * * * * * 2 * * * | 0 0 0 0 2 0 0 0 1 0 | 1 0 2 0 q ..o ..o || ..o ..o | 0 0 1 0 0 1 | * * * * * * * * 1 * * | 0 0 0 0 0 2 0 0 2 0 | 0 0 4 0 x ... ... oo. oo.&#x | 0 0 0 1 1 0 | * * * * * * * * * 2 * | 0 0 0 1 0 0 2 0 0 1 | 0 2 0 2 x ... ... .oo .oo&#x | 0 0 0 0 1 1 | * * * * * * * * * * 2 | 0 0 0 0 0 0 0 2 1 1 | 0 0 2 2 x --------------------------+-------------+-----------------------+---------------------+-------- oqo ...&#xt ... ... | 1 2 1 0 0 0 | 2 0 0 2 0 0 0 0 0 0 0 | 1 * * * * * * * * * | 2 0 0 0 x-{4} oo. oo.&#x || o.. o.. | 1 1 0 1 0 0 | 1 1 0 0 1 0 0 0 0 0 0 | * 2 * * * * * * * * | 0 2 0 0 {xxq} oo. oo.&#x || .o. .o. | 1 1 0 0 1 0 | 1 0 1 0 0 1 0 0 0 0 0 | * * 4 * * * * * * * | 1 1 0 0 {xqq} o.. o.. || oo. oo.&#x | 1 0 0 1 1 0 | 0 1 1 0 0 0 0 0 0 1 0 | * * * 2 * * * * * * | 0 2 0 0 {xxq} .oo .oo&#x || .o. .o. | 0 1 1 0 1 0 | 0 0 0 1 0 1 0 1 0 0 0 | * * * * 4 * * * * * | 1 0 1 0 {xqq} .oo .oo&#x || ..o ..o | 0 1 1 0 0 1 | 0 0 0 1 0 0 1 0 1 0 0 | * * * * * 2 * * * * | 0 0 2 0 {xxq} .o. .o. || oo. oo.&#x | 0 1 0 1 1 0 | 0 0 0 0 1 1 0 0 0 1 0 | * * * * * * 4 * * * | 0 1 0 1 {xqq} .o. .o. || .oo .oo&#x | 0 1 0 0 1 1 | 0 0 0 0 0 1 1 0 0 0 1 | * * * * * * * 4 * * | 0 0 1 1 {xqq} ..o ..o || .oo .oo&#x | 0 0 1 0 1 1 | 0 0 0 0 0 0 0 1 1 0 1 | * * * * * * * * 2 * | 0 0 2 0 {xxq} ... ... ... oqo&#xt | 0 0 0 1 2 1 | 0 0 0 0 0 0 0 0 0 2 2 | * * * * * * * * * 1 | 0 0 0 2 x-{4} --------------------------+-------------+-----------------------+---------------------+-------- oqo ...&#xt || .o. .o. | 1 2 1 0 1 0 | 2 0 1 2 0 2 0 1 0 0 0 | 1 0 2 0 2 0 0 0 0 0 | 2 * * * ox4oo&#q oo. oo.&#x || oo. oo.&#x | 1 1 0 1 1 0 | 1 1 1 0 1 1 0 0 0 1 0 | 0 1 1 1 0 0 1 0 0 0 | * 4 * * (x-x-x,q-q-q) simplex .oo .oo&#x || .oo .oo&#x | 0 1 1 0 1 1 | 0 0 0 1 0 1 1 1 1 0 1 | 0 0 0 0 1 1 0 1 1 0 | * * 4 * (x-x-x,q-q-q) simplex .o. .o. || ... oqo&#xt | 0 1 0 1 2 1 | 0 0 0 0 1 2 1 0 0 2 2 | 0 0 0 0 0 0 2 2 0 1 | * * * 2 ox4oo&#q
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