#499299

order	512
nilpotency class	4
isoclinism	isoclinic class of #498886
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁵

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	C₂×B(4,𝔽₂)
commutator, Frattini, cosocle	C₂²×D₄	C₂⁴
prime radical	C₂×H(5,𝔽₂)	C₂³
LCS	G ▷ C₂²×D₄ ▷ C₂² ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂²×C₄ ◁ C₂×C₄×D₄ ◁ G
LECS	G ▷ C₂²×D₄ ▷ C₂² ▷ C₂ ▷ C₁

957 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 128

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

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

Polycyclic presentation:

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

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, 406495);