#243930

order	512
nilpotency class	3
isoclinism	isoclinic class of #232789
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁵

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center	C₂×C₄	C₂×#127
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
socle	C₂²	C₂×#399
prime radical	C₂×#532	C₂²
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂×C₄ ◁ C₂²×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

840 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 64

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

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

Polycyclic presentation:

2^9|a^2=eh,b^2=ef,d^2=h,e^2=h,f^2=i,g^2=h,b^a=be,c^a=cf,g^a=ghi,c^b=cg,d^b=di,e^b=eh,f^b=fh,g^b=gh,d^c=dh,e^c=ei,f^c=fi,g^c=gh

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, 151126);