#491442

order	512
nilpotency class	4
isoclinism	isoclinic class of #491439
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂³×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	C₂×#493
commutator, Frattini, cosocle	C₄×C₈	C₂⁴
prime radical	#33713	C₂
LCS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ #1450 ◁ G
LECS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

594 conjugacy classes of subgroups; only the 182 normal subgroups are shown.

normal subgroups only

This group has 594 conjugacy classes of subgroups — too many to draw. Only its 182 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) = 256

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

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

Polycyclic presentation:

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

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, 398638);