#338290

order	512
nilpotency class	3
isoclinism	isoclinic class of #332071
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂²×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂³	D₄²
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	C₂×#127	C₂³
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

609 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)(3,5)(4,6)(7,8)(9,10,14,18)(11,15,13,16)(12,20,21,23)(17,22,24,19)(25,26)(27,34)(28,37)(29,31)(30,33)(32,36)(35,39)(38,40);(1,3,5,2)(4,7,8,6)(9,11,14,13)(10,15,18,16)(12,19,21,22)(17,23,24,20)(26,31)(27,35)(28,30)(32,39)(34,40)(36,38);(1,4,5,8)(2,6,3,7)(10,16)(11,13)(15,18)(17,20)(19,22)(23,24)(25,27)(26,32)(28,35)(29,36)(30,38)(31,34)(33,39)(37,40);(2,3)(6,7)(9,12,14,21)(10,17,18,24)(11,19,13,22)(15,23,16,20)(25,28,29,30)(26,33,31,37)(27,35,36,38)(32,39,34,40)

Polycyclic presentation:

2^9|a^2=h,b^2=ehi,c^2=ei,d^2=hi,f^2=h,g^2=i,b^a=be,c^a=cf,d^a=defi,f^a=fh,c^b=cg,d^b=de,g^b=gi,f^c=fh,g^c=gi,f^d=fh

Conjugacy classes & character table

59 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 245486);