C₂×#13501 #499385

order	512
nilpotency class	4
isoclinism	isoclinic class of #13398
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁵

Aliases

	subgroup	G/H
center, socle	C₂³	#481
commutator, Frattini, cosocle	C₂²×C₈	C₂⁴
prime radical	C₂⁵	SD₁₆
LCS	G ▷ C₂²×C₈ ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂³×C₄ ◁ C₂³×M₁₆ ◁ G
LECS	G ▷ C₂²×C₈ ▷ C₄ ▷ C₂ ▷ C₁

752 conjugacy classes of subgroups.

minimal degree	μ(G) = 22
transitive degree	μ_t(G) = 128

A minimal faithful permutation representation — 4 generators on 22 points:

(1,2);(7,8,12,19,18,22,9,15,11,13,20,14,10,16,17,21);(3,4)(5,6)(8,13)(9,17)(12,20)(16,22);(4,6)(8,14,13,19)(9,12)(10,18)(15,16,21,22)(17,20)

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 406581);