#490436

order	512
nilpotency class	4
isoclinism	isoclinic class of #490434
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	C₂×#459
commutator, Frattini, cosocle	C₄×C₈	C₂⁴
prime radical	C₂×#493	C₂²
LCS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ #1450 ◁ G
LECS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

507 conjugacy classes of subgroups; only the 148 normal subgroups are shown.

normal subgroups only

This group has 507 conjugacy classes of subgroups — too many to draw. Only its 148 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:

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

Polycyclic presentation:

2^9|b^2=e,c^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=di,f^c=fh,h^c=hi

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, 397632);