Acronym hep
TOCID symbol (7)P
Name heptagonal prism
 
 ©
Circumradius 1/(2 sin(π/7)) = 1.152382
Vertex figure [42,7]
General of army (is itself convex)
Colonel of regiment (is itself locally convex)
Dihedral angles
  • between {4} and {4}:   180° 5/7 = 128.571429°
  • between {4} and {7}:   90°
Confer
general prisms:
n-p   n/d-p  
general polytopal classes:
segmentohedra  
External
links
wikipedia  

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


Incidence matrix according to Dynkin symbol

x x7o

. . . | 14 | 1  2 | 2 1
------+----+------+----
x . . |  2 | 7  * | 2 0
. x . |  2 | * 14 | 1 1
------+----+------+----
x x . |  4 | 2  2 | 7 *
. x7o |  7 | 0  7 | * 2

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