#313670

order	512
nilpotency class	3
isoclinism	isoclinic class of #264043
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	#2541	C₂²
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

685 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)(3,6)(4,5)(7,8)(9,10)(11,22)(12,16)(13,20)(14,19)(15,21)(17,23)(18,24)(25,26,28,31)(27,33,35,30)(29,32,37,40)(34,39,36,38);(2,5)(6,8)(9,11,14,23,15,24,13,12)(10,16,20,18,21,17,19,22)(25,27,28,35)(26,30,31,33)(29,34,37,36)(32,38,40,39);(1,3,4,7)(2,6,5,8)(9,11,14,23,15,24,13,12)(10,17,20,22,21,16,19,18)(27,34)(29,37)(30,38)(32,40)(33,39)(35,36);(2,5)(6,8)(9,12,13,24,15,23,14,11)(10,18,19,16,21,22,20,17)(26,31)(30,33)(32,40)(38,39)

Polycyclic presentation:

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

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 220866);