#338929

order	512
nilpotency class	3
isoclinism	isoclinic class of #331655
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂³

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂³	D₄²
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	C₂²×D₄	C₂×D₄
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

513 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:

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

Polycyclic presentation:

2^9|a^2=ehi,b^2=ehi,c^2=ei,d^2=i,f^2=h,g^2=i,b^a=be,c^a=cf,d^a=def,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

65 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 246125);