#491755

order	512
nilpotency class	4
isoclinism	isoclinic class of #491728
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

464 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)(9,10,13,16)(11,20,22,37)(12,18,15,29)(14,26,25,38)(17,33,31,23)(19,24,32,28)(21,39,30,36)(27,34,40,35);(1,2)(3,6)(4,7)(5,8)(10,16)(17,31)(18,29)(19,32)(20,37)(26,38)(34,35)(36,39);(9,11,13,22)(10,17,16,31)(12,21,15,30)(14,27,25,40)(18,34,29,35)(19,36,32,39)(20,38,37,26)(23,24,33,28);(2,6)(3,8)(5,7)(9,12,13,15)(10,18,16,29)(11,21,22,30)(14,24,25,28)(17,34,31,35)(19,26,32,38)(20,39,37,36)(23,27,33,40)

Polycyclic presentation:

2^9|a^2=i,c^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,d^b=dei,e^b=eg,f^c=fh,h^c=hi,e^d=eg

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, 398951);