#251442

order	512
nilpotency class	3
isoclinism	isoclinic class of #246751
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁵

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂³	C₂×#120
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	C₂×#532	C₂²
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂²×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

846 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)(11,12)(13,17)(14,18)(15,19)(16,22)(20,24)(21,23)(25,26,29,34)(27,36,38,31)(28,35,30,33)(32,39,40,37);(1,3,4,8)(2,5,6,7)(9,11,15,21)(10,12,19,23)(13,16,14,20)(17,22,18,24)(25,27)(26,31)(28,37)(29,38)(30,39)(32,33)(34,36)(35,40);(9,12)(10,16)(11,18)(13,22)(14,24)(15,23)(17,21)(19,20)(25,27)(26,32)(28,37)(29,38)(30,39)(31,35)(33,36)(34,40);(2,6)(5,7)(9,13,15,14)(10,17,19,18)(11,16,21,20)(12,22,23,24)(25,28,29,30)(26,33,34,35)(27,37,38,39)(31,32,36,40)

Polycyclic presentation:

2^9|a^2=i,b^2=eh,d^2=h,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,f^c=fh,g^c=ghi

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 158638);