#290899

order	512
nilpotency class	3
isoclinism	isoclinic class of #268211
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂³	C₂×#120
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	C₂×#121	D₄
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂²×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

718 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)(4,6)(5,8)(9,10,15,18)(11,16,21,22)(12,20,23,24)(13,17,14,19)(26,31)(28,30)(34,40)(35,37);(1,3,4,8)(2,5,6,7)(9,11)(10,16)(12,19)(13,20)(14,24)(15,21)(17,23)(18,22)(25,26,29,31)(27,34,36,40)(28,33,30,38)(32,37,39,35);(9,12,13,16,15,23,14,22)(10,11,19,24,18,21,17,20)(25,27)(26,32,31,39)(28,37)(29,36)(30,35)(33,34,38,40);(2,6)(5,7)(9,13,15,14)(10,17,18,19)(11,20,21,24)(12,16,23,22)(25,28,29,30)(26,33,31,38)(27,35,36,37)(32,40,39,34)

Polycyclic presentation:

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

Conjugacy classes & character table

47 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 198095);