Acronym | hedip |
Name | heptagonal-heptagonal duoprism |
© | |
Circumradius | 1/(sqrt(2) sin(π/7)) = 1.629715 |
General of army | (is itself convex) |
Colonel of regiment | (is itself locally convex) |
Dihedral angles | |
Face vector | 49, 96, 63, 14 |
Confer |
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External links |
Incidence matrix according to Dynkin symbol
x7o x7o . . . . | 49 | 2 2 | 1 4 1 | 2 2 --------+----+-------+--------+---- x . . . | 2 | 49 * | 1 2 0 | 2 1 . . x . | 2 | * 49 | 0 2 1 | 1 2 --------+----+-------+--------+---- x7o . . | 7 | 7 0 | 7 * * | 2 0 x . x . | 4 | 2 2 | * 49 * | 1 1 . . x7o | 7 | 0 7 | * * 7 | 0 2 --------+----+-------+--------+---- x6o x . ♦ 14 | 14 7 | 2 7 0 | 7 * x . x6o ♦ 14 | 7 14 | 0 7 2 | * 7
or . . . . | 49 | 4 | 2 4 | 4 -----------+----+----+-------+--- x . . . & | 2 | 98 | 1 2 | 3 -----------+----+----+-------+--- x7o . . & | 7 | 7 | 14 * | 2 x . x . | 4 | 4 | * 49 | 2 -----------+----+----+-------+--- x7o x . & ♦ 14 | 21 | 2 7 | 14
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