#256503

order	512
nilpotency class	3
isoclinism	isoclinic class of #246751
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂³	C₂×#120
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	#45985	C₂
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂²×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

766 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 256

A minimal faithful permutation representation — 4 generators on 40 points:

(1,2)(3,8)(4,6)(5,7)(9,10)(11,14)(12,20)(13,19)(15,17)(16,24)(18,22)(21,23)(25,26)(27,32)(28,37)(29,34)(30,39)(31,35)(33,36)(38,40);(1,3,5,4)(2,6,7,8)(9,11,14,10)(12,21,23,20)(13,19,15,17)(16,22,18,24)(25,27)(26,32)(28,29)(30,38)(31,36)(33,35)(34,37)(39,40);(1,4,5,3)(2,6,7,8)(9,12,14,23)(10,16,11,18)(13,22,15,24)(17,21,19,20)(25,28,31,38)(26,33,35,32)(27,29,36,30)(34,40,39,37);(2,7)(6,8)(9,13,14,15)(10,17,11,19)(12,22,23,24)(16,21,18,20)(25,29,31,30)(26,34,35,39)(27,28,36,38)(32,37,33,40)

Polycyclic presentation:

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

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 163699);