Acronym  hep 
TOCID symbol  (7)P 
Name  heptagonal prism 
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Circumradius  1/(2 sin(π/7)) = 1.152382 
Vertex figure  [4^{2},7] 
General of army  (is itself convex) 
Colonel of regiment  (is itself locally convex) 
Dihedral angles 

Confer 

External links 
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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