Acronym ship
TOCID symbol (7/2)P
Name heptagrammic prism of winding number 2,
small heptagrammic prism,
small stellated heptagonal prism
 
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Circumradius 1/(2 sin(2π/7)) = 0.639524
Vertex figure [42,7/2]
Dihedral angles
  • between {4} and {4}:   180° 3/7 = 77.142857°
  • between {4} and {7}:   90°
Confer
general prisms:
n/d-p  
general polytopal classes:
segmentohedra  
External
links
wikipedia  

As abstract polytop ship is isomorphic to hep, thereby replacing convex heptagrams with winding number 2 by heptagons. – It likewise is isomorphic to giship, thereby replacing convex heptagrams with winding number 2 by heptagrams with winding number 3.


Incidence matrix according to Dynkin symbol

x x7/2o

. .   . | 14 | 1  2 | 2 1
--------+----+------+----
x .   . |  2 | 7  * | 2 0
. x   . |  2 | * 14 | 1 1
--------+----+------+----
x x   . |  4 | 2  2 | 7 *
. x7/2o |  7 | 0  7 | * 2

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