#419135

order	512
nilpotency class	3
isoclinism	isoclinic class of #417581
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁵×C₄

Aliases

No aliases for this group.

	subgroup	G/H
center, socle	C₂⁴	C₂²×D₄
commutator, Frattini, cosocle	C₂³×C₄	C₂⁴
prime radical	C₂×#2407	C₂
LCS	G ▷ C₂³×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂⁴ ◁ C₂²×C₄×D₄ ◁ G
LECS	G ▷ C₂³×C₄ ▷ C₂ ▷ C₁

2298 conjugacy classes of subgroups.

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

A minimal faithful permutation representation — 4 generators on 20 points:

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

Polycyclic presentation:

2^9|a^2=efi,b^2=e,c^2=i,d^2=i,f^2=i,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^b=de,f^c=fi

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 326331);