#139783

order	512
nilpotency class	4
isoclinism	isoclinic class of #139783
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂³×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#1889
commutator	C₂²×Q₈	C₂²×C₄
Frattini, cosocle	C₂²×#41	C₂³
prime radical	#23909	C₂
LCS	G ▷ C₂²×Q₈ ▷ C₂³ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂²×C₄ ◁ C₂²×#41 ◁ G
LECS	G ▷ C₂²×#41 ▷ C₂³ ▷ C₂ ▷ C₁

675 conjugacy classes of subgroups; only the 68 normal subgroups are shown.

normal subgroups only

This group has 675 conjugacy classes of subgroups — too many to draw. Only its 68 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) = 64

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=f,b^2=df,c^2=h,d^2=i,e^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=ehi,h^a=hi,c^b=ci,d^b=dgi,e^b=ehi,f^b=fgi,d^c=dh,f^c=fh,e^d=ei,f^e=fi

Conjugacy classes & character table

41 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 46979);