#491088

order	512
nilpotency class	4
isoclinism	isoclinic class of #491085
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	C₂×#466
commutator, Frattini, cosocle	C₄×C₈	C₂⁴
prime radical	C₂²×D₄	D₈
LCS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ C₂×C₈×D₄ ◁ G
LECS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

472 conjugacy classes of subgroups; only the 134 normal subgroups are shown.

normal subgroups only

This group has 472 conjugacy classes of subgroups — too many to draw. Only its 134 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 128

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

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

Polycyclic presentation:

2^9|a^2=i,b^2=eg,d^2=i,e^2=gi,f^2=h,g^2=i,b^a=be,c^a=cf,d^a=dh,e^a=eg,f^a=fh,g^a=gi,f^c=fh

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 398284);