C₂²×C₄×#124 #7625252

order	512
nilpotency class	2
isoclinism	isoclinic class of #120
automorphism	?
homology	Abelianization (H₁) = C₂⁵×C₄ · Schur multiplier (H₂) = C₂¹³×C₄

Aliases

C₂²×C₄×#124

14602 conjugacy classes of subgroups.

minimal degree	μ(G) = 20
transitive degree	μ_t(G) = 256

A minimal faithful permutation representation — 6 generators on 20 points:

(1,2);(3,4);(5,6,7,8);(10,11)(15,19)(17,20);(9,10,12,11)(13,14,16,18)(15,17,19,20);(9,11,12,10)(13,15)(14,17)(16,19)(18,20)

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 7532448);