Acronym | hippy, 6pyr |
Name | (degenerate) hexagonal pyramid |
Circumradius | ∞ i.e. flat in euclidean space |
Vertex figures | [36], [3,3,6] |
Dual | (topologically selfdual, in different orientation) |
Dihedral angles |
|
Face vector | 7, 12, 7 |
Confer |
|
External links |
It either can be thought of as a degenerate 3D segmentotope with zero height, or as a 2D euclidean decomposition of the larger base into smaller bits.
Incidence matrix according to Dynkin symbol
ox6oo&#x → height = 0
(pt || {6})
tip o.6o. | 1 * | 6 0 | 6 0
base .o6.o | * 6 | 1 2 | 2 1
--------------+-----+-----+----
lace oo6oo&#x | 1 1 | 6 * | 2 0
base .x .. | 0 2 | * 6 | 1 1
--------------+-----+-----+----
coat ox ..&#x | 1 2 | 2 1 | 6 *
base .x6.o | 0 6 | 0 6 | * 1
ox3ox&#x → height = 0
(pt || {6})
tip o.3o. | 1 * | 6 0 0 | 3 3 0
base .o3.o | * 6 | 1 1 1 | 1 1 1
--------------+-----+-------+------
lace oo3oo&#x | 1 1 | 6 * * | 1 1 0
base .x .. | 0 2 | * 3 * | 1 0 1
base .. .x | 0 2 | * * 3 | 0 1 1
--------------+-----+-------+------
coat ox ..&#x | 1 2 | 2 1 0 | 3 * *
coat ox ..&#x | 1 2 | 2 0 1 | * 3 *
base .x6.o | 0 6 | 0 3 3 | * * 1
© 2004-2024 | top of page |