Acronym | octum |
Name |
octahedron-first rotunda of truncated hexadecachoron, oct-based tutsatope, oct-based tutism |
© | |
Circumradius | sqrt(5/2) = 1.581139 |
Lace city in approx. ASCII-art |
o4o x4o o4o o4o u4o o4o x4o u4o x4q u4o x4o |
x3x u3o x3o u3x o3x x3u o3u x3x | |
Coordinates | (sqrt(2), 1/sqrt(2), 0, 0) & all permutations; all changes of sign but in last coordinate |
Dihedral angles | |
Face vector | 36, 78, 58, 16 |
Confer |
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Incidence matrix according to Dynkin symbol
xux3oox4ooo&#xt → both heights = 1/sqrt(2) = 0.707107 (oct || pseudo u-oct || toe) o..3o..4o.. | 6 * * | 4 1 0 0 0 | 4 4 0 0 0 | 1 4 0 0 .o.3.o.4.o. | * 6 * | 0 1 4 0 0 | 0 4 4 0 0 | 0 4 1 0 ..o3..o4..o | * * 24 | 0 0 1 1 2 | 0 1 2 2 1 | 0 2 1 1 ----------------+--------+---------------+-------------+-------- x.. ... ... | 2 0 0 | 12 * * * * | 2 1 0 0 0 | 1 2 0 0 oo.3oo.4oo.&#x | 1 1 0 | * 6 * * * | 0 4 0 0 0 | 0 4 0 0 .oo3.oo4.oo&#x | 0 1 1 | * * 24 * * | 0 1 2 0 0 | 0 2 1 0 ..x ... ... | 0 0 2 | * * * 12 * | 0 1 0 2 0 | 0 2 0 1 ... ..x ... | 0 0 2 | * * * * 24 | 0 0 1 1 1 | 0 1 1 1 ----------------+--------+---------------+-------------+-------- x..3o.. ... | 3 0 0 | 3 0 0 0 0 | 8 * * * * | 1 1 0 0 xux ... ...&#xt | 2 2 2 | 1 2 2 1 0 | * 12 * * * | 0 2 0 0 ... .ox ...&#x | 0 1 2 | 0 0 2 0 1 | * * 24 * * | 0 1 1 0 ..x3..x ... | 0 0 6 | 0 0 0 3 3 | * * * 8 * | 0 1 0 1 ... ..x4..o | 0 0 4 | 0 0 0 0 4 | * * * * 6 | 0 0 1 1 ----------------+--------+---------------+-------------+-------- x..3o..4o.. ♦ 6 0 0 | 12 0 0 0 0 | 8 0 0 0 0 | 1 * * * xux3oox ...&#xt ♦ 3 3 6 | 3 3 6 3 3 | 1 3 3 1 0 | * 8 * * ... .ox4.oo&#x ♦ 0 1 4 | 0 0 4 0 4 | 0 0 4 0 1 | * * 6 * ..x3..x4..o ♦ 0 0 24 | 0 0 0 12 24 | 0 0 0 8 6 | * * * 1
oox3xux3oox&#xt → all heights = 1/sqrt(2) = 0.707107 (oct || pseudo u-oct || toe) o....3o....3o.... | 6 * * | 4 1 0 0 0 0 | 2 2 4 0 0 0 0 0 | 1 2 2 0 0 .o...3.o...3.o... | * 6 * | 0 1 4 0 0 0 | 0 0 4 2 2 0 0 0 | 0 2 2 1 0 ..o..3..o..3..o.. | * * 24 | 0 0 1 1 1 1 | 0 0 1 1 1 1 1 1 | 0 1 1 1 1 ----------------------+--------+------------------+--------------------+---------- ..... x.... ..... | 2 0 0 | 12 * * * * * | 1 1 1 0 0 0 0 0 | 1 1 1 0 0 oo...3oo...3oo...&#x | 1 1 0 | * 6 * * * * | 0 0 4 0 0 0 0 0 | 0 2 2 0 0 .oo..3.oo..3.oo..&#x | 0 1 1 | * * 24 * * * | 0 0 1 1 1 0 0 0 | 0 1 1 1 0 ..x.. ..... ..... | 0 0 2 | * * * 12 * * | 0 0 0 1 0 1 1 0 | 0 1 0 1 1 ..... ..x.. ..... | 0 0 2 | * * * * 12 * | 0 0 1 0 0 1 0 1 | 0 1 1 0 1 ..... ..... ..x.. | 0 0 2 | * * * * * 12 | 0 0 0 0 1 0 1 1 | 0 0 1 1 1 ----------------------+--------+------------------+--------------------+---------- o....3x.... ..... | 3 0 0 | 3 0 0 0 0 0 | 4 * * * * * * * | 1 1 0 0 0 ..... x....3o.... | 3 0 0 | 3 0 0 0 0 0 | * 4 * * * * * * | 1 0 1 0 0 ..... xux.. .....&#xt | 2 2 2 | 1 2 2 0 1 0 | * * 12 * * * * * | 0 1 1 0 0 .ox.. ..... .....&#x | 0 1 2 | 0 0 2 1 0 0 | * * * 12 * * * * | 0 1 0 1 0 ..... ..... .ox..&#x | 0 1 2 | 0 0 2 0 0 1 | * * * * 12 * * * | 0 0 1 1 0 ..x..3..x.. ..... | 0 0 6 | 0 0 0 3 3 0 | * * * * * 4 * * | 0 1 0 0 1 ..x.. ..... ..x.. | 0 0 4 | 0 0 0 2 0 2 | * * * * * * 6 * | 0 0 0 1 1 ..... ..x..3..x.. | 0 0 6 | 0 0 0 0 3 3 | * * * * * * * 4 | 0 0 1 0 1 ----------------------+--------+------------------+--------------------+---------- o....3x....3o.... ♦ 6 0 0 | 12 0 0 0 0 0 | 4 4 0 0 0 0 0 0 | 1 * * * * oox..3xux.. .....&#xt ♦ 3 3 6 | 3 3 6 3 3 0 | 1 0 3 3 0 1 0 0 | * 4 * * * ..... xux..3oox..&#xt ♦ 3 3 6 | 3 3 6 0 3 3 | 0 1 3 0 3 0 0 1 | * * 4 * * .ox.. ..... .ox..&#xt ♦ 0 1 4 | 0 0 4 2 0 2 | 0 0 0 2 2 0 1 0 | * * * 6 * ..x..3..x..3..x.. ♦ 0 0 24 | 0 0 0 12 12 12 | 0 0 0 0 0 4 6 4 | * * * * 1
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