#320823

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, prime radical	C₂³	C₂×#127
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₄³ ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

630 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 512

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

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

Polycyclic presentation:

2^9|a^2=fh,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, 228019);