#261055

order	512
nilpotency class	3
isoclinism	isoclinic class of #248839
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁶

Aliases

No aliases for this group.

	subgroup	G/H
center, socle	C₂³	C₂×#120
commutator, Frattini, cosocle	C₂³×C₄	C₂⁴
LCS	G ▷ C₂³×C₄ ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂²×C₄² ◁ G
LECS	G ▷ C₂³×C₄ ▷ C₂² ▷ C₁

1670 conjugacy classes of subgroups.

minimal degree	μ(G) = 20
transitive degree	μ_t(G) = 64

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

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

Polycyclic presentation:

2^9|b^2=ehi,d^2=e,f^2=h,b^a=be,c^a=cf,d^a=de,f^a=fh,g^a=gi,c^b=cg,f^b=fi,f^c=fh

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 168251);