#130717

order	512
nilpotency class	4
isoclinism	isoclinic class of #130714
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂⁵

Aliases

No aliases for this group.

Subgroups

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

836 conjugacy classes of subgroups; only the 100 normal subgroups are shown.

normal subgroups only

This group has 836 conjugacy classes of subgroups — too many to draw. Only its 100 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)(3,7,8,5)(4,6)(9,10,14,20,15,21,30,37,16,22,28,35,12,18,13,19)(11,23,26,34,24,36,25,38,27,39,29,17,31,33,40,32);(1,3)(2,5)(4,8)(6,7)(9,11,16,27)(10,17,22,34)(12,24,15,31)(13,29,30,26)(14,25,28,40)(18,32,21,38)(19,36,37,33)(20,23,35,39);(1,3)(2,5)(4,8)(6,7)(9,12,16,15)(10,18,22,21)(11,24,27,31)(13,28,30,14)(17,32,34,38)(19,35,37,20)(23,36,39,33)(25,29,40,26)

Polycyclic presentation:

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

Conjugacy classes & character table

65 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 37913);