#149441

order	512
nilpotency class	4
isoclinism	isoclinic class of #129409
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂⁵

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#1781
commutator	C₂³×C₄	C₂²×C₄
Frattini, prime radical, cosocle	C₂²×#41	C₂³
LCS	G ▷ C₂³×C₄ ▷ C₂² ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂²×C₄ ◁ C₂×#520 ◁ G
LECS	G ▷ C₂²×#41 ▷ C₂² ▷ C₂ ▷ C₁

840 conjugacy classes of subgroups; only the 142 normal subgroups are shown.

normal subgroups only

This group has 840 conjugacy classes of subgroups — too many to draw. Only its 142 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:

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

Polycyclic presentation:

2^9|a^2=g,b^2=fi,c^2=f,e^2=i,b^a=bd,c^a=ce,d^a=dh,h^a=hi,c^b=cf,g^b=gh,e^c=ei,g^c=gi,g^d=gi

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 56637);