#241749

order	512
nilpotency class	3
isoclinism	isoclinic class of #234028
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	C₂²×D₄	C₂×D₄
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₄³ ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

765 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)(3,6)(4,5)(7,8)(9,10,14,18)(11,15,20,24)(12,17,13,16)(19,22,21,23)(25,26,30,34)(27,35,38,39)(28,32,29,33)(31,36,40,37);(2,5)(6,8)(9,11)(10,15)(12,21)(13,19)(14,20)(16,22)(17,23)(18,24)(27,36)(28,29)(31,39)(32,33)(35,40)(37,38);(10,16)(12,13)(15,22)(17,18)(19,21)(23,24)(25,27,30,38)(26,31,34,40)(28,36,29,37)(32,35,33,39);(1,3,4,7)(2,6,5,8)(9,12,14,13)(10,17,18,16)(11,19,20,21)(15,22,24,23)(25,28,30,29)(26,32,34,33)(27,37,38,36)(31,39,40,35)

Polycyclic presentation:

2^9|a^2=h,c^2=i,d^2=eh,f^2=h,g^2=i,b^a=be,c^a=cf,f^a=fh,g^a=gi,c^b=cg,d^b=dh,f^b=fi,g^b=gi,d^c=dh,f^c=fh,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, 148945);