#315155

order	512
nilpotency class	3
isoclinism	isoclinic class of #288787
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

561 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)(9,10,14,18)(11,16,20,24)(12,22,21,15)(13,23,19,17)(25,26,29,33,28,32,35,39)(27,34,37,40,36,30,38,31);(1,3,4,7)(2,5,6,8)(9,11,19,12,14,20,13,21)(10,15,23,24,18,22,17,16)(25,27,35,38,28,36,29,37)(26,30,39,40,32,34,33,31);(2,6)(5,8)(11,20)(12,21)(15,22)(16,24)(25,27,28,36)(26,31,32,40)(29,38,35,37)(30,39,34,33);(9,12,19,20,14,21,13,11)(10,16,23,15,18,24,17,22)(26,32)(30,34)(31,40)(33,39)

Polycyclic presentation:

2^9|a^2=g,b^2=efh,c^2=i,d^2=ehi,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=dh,d^c=dh,f^c=fi,g^c=gi

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 222351);