#320759

order	512
nilpotency class	3
isoclinism	isoclinic class of #298939
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂²×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂³	C₂×#127
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	C₂×#127	C₂³
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₄³ ◁ 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)(3,7)(4,5)(6,8)(9,10,12,16,13,17,20,15)(11,14,19,21,18,22,24,23)(25,26,29,33,30,34,35,39)(27,31,37,32,28,38,36,40);(2,5)(6,7)(9,11)(10,14)(12,19)(13,18)(15,23)(16,21)(17,22)(20,24)(25,27,35,36,30,28,29,37)(26,31,39,40,34,38,33,32);(10,15)(11,18)(12,20)(14,21)(16,17)(22,23)(25,28,30,27)(26,32,34,40)(29,37,35,36)(31,39,38,33);(1,3,4,8)(2,6,5,7)(11,18)(14,22)(19,24)(21,23)(25,29,30,35)(26,33,34,39)(27,36,28,37)(31,40,38,32)

Polycyclic presentation:

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

Conjugacy classes & character table

74 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 227955);