#242468

order	512
nilpotency class	3
isoclinism	isoclinic class of #233080
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

	subgroup	G/H
center, socle	C₂³	C₂×#121
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	C₂⁴	#121
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂²×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

822 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:

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

Polycyclic presentation:

2^9|a^2=efi,b^2=e,c^2=i,e^2=h,f^2=i,g^2=h,b^a=be,c^a=cf,e^a=eh,f^a=fh,g^a=gh,c^b=cg,d^b=dh,d^c=dh,e^c=eh,f^c=fi,g^c=gh

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 149664);