#124775

order	512
nilpotency class	4
isoclinism	isoclinic class of #124679
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center	C₂×C₄	#410
commutator	C₂×C₄²	C₂²×C₄
Frattini, cosocle	C₂×#97	C₂³
socle	C₂²	#1467
prime radical	C₂³	#407
LCS	G ▷ C₂×C₄² ▷ C₂³ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂×C₄ ◁ C₂²×C₈ ◁ #1726 ◁ G
LECS	G ▷ C₂×#97 ▷ C₂²×C₄ ▷ C₂ ▷ C₁

245 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 245 conjugacy classes of subgroups — too many to draw. Only its 70 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 — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=e,b^2=f,c^2=fh,d^2=gi,e^2=h,h^2=i,b^a=bd,c^a=ch,d^a=df,f^a=fi,c^b=ci,d^b=dg,e^b=efgi,e^c=ei,e^d=ei

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 31971);