#144081

order	512
nilpotency class	4
isoclinism	isoclinic class of #144077
automorphism	?
homology	Abelianization (H₁) = C₂³ · Schur multiplier (H₂) = C₂²×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#2011
commutator, Frattini, cosocle	C₂×C₄×C₈	C₂³
prime radical	C₂×#493	C₂²
LCS	G ▷ C₂×C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ C₄²×C₈ ◁ G
LECS	G ▷ C₂×C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

554 conjugacy classes of subgroups; only the 80 normal subgroups are shown.

normal subgroups only

This group has 554 conjugacy classes of subgroups — too many to draw. Only its 80 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)(3,5)(4,7)(6,8)(9,10,16,20)(11,23,28,39)(12,19,30,38)(13,18,29,37)(14,22,15,21)(17,31,34,24)(25,36,40,35)(26,32,27,33);(2,5)(3,8)(6,7)(9,11,16,28)(10,17,20,34)(12,25,30,40)(13,24,29,31)(14,27,15,26)(18,33,37,32)(19,23,38,39)(21,36,22,35);(3,8)(5,6)(10,18)(12,13)(14,15)(17,32)(19,22)(20,37)(21,38)(23,36)(24,25)(26,27)(29,30)(31,40)(33,34)(35,39)

Polycyclic presentation:

2^9|a^2=i,b^2=i,d^2=gi,e^2=hi,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eh,f^a=fghi,g^a=gi,h^a=hi,c^b=cf,d^b=dg,e^b=eh,g^b=gi,h^b=hi,d^c=dg,e^c=eh,g^c=gi,h^c=hi

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 51277);