#131047

order	512
nilpotency class	4
isoclinism	isoclinic class of #130722
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#1786
commutator	C₂²×C₈	C₂²×C₄
Frattini, cosocle	C₂×C₄×C₈	C₂³
prime radical	C₂×#3283	C₂
LCS	G ▷ C₂²×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ C₂×C₈×D₄ ◁ G
LECS	G ▷ C₂×C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

800 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 800 conjugacy classes of subgroups — too many to draw. Only its 98 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=i,c^2=i,d^2=hi,f^2=ghi,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=egi,d^b=dh,f^b=fgh,h^b=hi,f^c=fgi

Conjugacy classes & character table

53 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 38243);