Acronym	gyesp, J10
Name	gyroelongated square pyramid
	© ©
Vertex figure	[34], [35], [33,4]
General of army	(is itself convex)
Colonel of regiment	(is itself locally convex)
Face vector	9, 20, 13
Confer	blend-component: squippy   squap   general polytopal classes: Johnson solids   bistratic lace towers
External links

Incidence matrix according to Dynkin symbol

oxo4oox&#xt   → height(1,2) = 1/sqrt(2) = 0.707107
                height(2,3) = 1/sqrt(sqrt(2)) = 0.840896
(pt || pseudo {4} || dual {4})

o..4o..    | 1 * * | 4 0 0 0 | 4 0 0 0
.o.4.o.    | * 4 * | 1 2 2 0 | 2 2 1 0
..o4..o    | * * 4 | 0 0 2 2 | 0 1 2 1
-----------+-------+---------+--------
oo.4oo.&#x | 1 1 0 | 4 * * * | 2 0 0 0
.x. ...    | 0 2 0 | * 4 * * | 1 1 0 0
.oo4.oo&#x | 0 1 1 | * * 8 * | 0 1 1 0
... ..x    | 0 0 2 | * * * 4 | 0 0 1 1
-----------+-------+---------+--------
ox. ...&#x | 1 2 0 | 2 1 0 0 | 4 * * *
.xo ...&#x | 0 2 1 | 0 1 2 0 | * 4 * *
... .ox&#x | 0 1 2 | 0 0 2 1 | * * 4 *
..x4..o    | 0 0 4 | 0 0 0 4 | * * * 1