#315551

order	512
nilpotency class	3
isoclinism	isoclinic class of #289819
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

559 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)(11,19)(12,15)(13,22)(14,18)(16,20)(17,23)(21,24)(25,26,30,35,31,36,29,34)(27,32,37,33,28,38,39,40);(1,3,4,7)(2,5,6,8)(9,11,13,12,14,20,23,21)(10,15,17,19,18,24,22,16)(25,27,29,39,31,28,30,37)(26,32,34,40,36,38,35,33);(2,6)(5,8)(11,20)(12,21)(15,24)(16,19)(25,28,31,27)(26,33,36,40)(29,39,30,37)(32,34,38,35);(9,12,13,20,14,21,23,11)(10,16,17,15,18,19,22,24)(25,29,31,30)(26,34,36,35)(27,37,28,39)(32,33,38,40)

Polycyclic presentation:

2^9|a^2=gh,b^2=efi,c^2=i,d^2=ei,e^2=h,f^2=i,g^2=i,b^a=be,c^a=cf,d^a=de,e^a=eh,c^b=cg,d^b=dhi,d^c=dh,f^c=fi,g^c=gi

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 222747);