Acronym epeppy, J9
Name elongated pentagonal pyramid
 
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Vertex figure [35], [32,42], [42,5]
General of army (is itself convex)
Colonel of regiment (is itself locally convex)
Confer
related Johnson solids:
peppy   epedpy  
uniform relative:
pip  
general polytopal classes:
Johnson solids   bistratic lace towers  
External
links
wikipedia   mathworld   quickfur  

Incidence matrix according to Dynkin symbol

oxx5ooo&#xt   → height(1,2) = sqrt((5-sqrt(5))/10) = 0.525731
                height(2,3) = 1
(pt || pseudo {5} || {5})

o..5o..    | 1 * * | 5 0 0 0 | 5 0 0
.o.5.o.    | * 5 * | 1 2 1 0 | 2 2 0
..o5..o    | * * 5 | 0 0 1 2 | 0 2 1
-----------+-------+---------+------
oo.5oo.&#x | 1 1 0 | 5 * * * | 2 0 0
.x. ...    | 0 2 0 | * 5 * * | 1 1 0
.oo5.oo&#x | 0 1 1 | * * 5 * | 0 2 0
..x ...    | 0 0 2 | * * * 5 | 0 1 1
-----------+-------+---------+------
ox. ...&#x | 1 2 0 | 2 1 0 0 | 5 * *
.xx ...&#x | 0 2 2 | 0 1 2 1 | * 5 *
..x5..o    | 0 0 5 | 0 0 0 5 | * * 1

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