#492241

order	512
nilpotency class	4
isoclinism	isoclinic class of #492236
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	D₄×D₈
commutator, Frattini, cosocle	C₄×C₈	C₂⁴
LCS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₄² ◁ C₈×D₈ ◁ G
LECS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

450 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:

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

Polycyclic presentation:

2^9|a^2=i,d^2=i,e^2=g,f^2=hi,h^2=i,b^a=be,c^a=cf,e^a=eg,f^a=fh,h^a=hi,c^b=cgi,d^b=de,e^b=eg,f^c=fh,h^c=hi,e^d=eg

Conjugacy classes & character table

53 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 399437);