#507492

order	512
nilpotency class	4
isoclinism	isoclinic class of #501764
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂²×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	C₂×#476
commutator, Frattini, cosocle	C₂²×C₈	C₂⁴
prime radical	C₂³	C₂×AGL(1,ℤ/8)
LCS	G ▷ C₂²×C₈ ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ C₄²×C₈ ◁ G
LECS	G ▷ C₂²×C₈ ▷ C₄ ▷ C₂ ▷ C₁

462 conjugacy classes of subgroups; only the 182 normal subgroups are shown.

normal subgroups only

This group has 462 conjugacy classes of subgroups — too many to draw. Only its 182 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 — 4 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=eg,b^2=eg,c^2=f,d^2=ei,f^2=h,g^2=i,h^2=i,b^a=be,c^a=cf,d^a=de,f^a=fh,h^a=hi,c^b=cg,g^c=gi

Conjugacy classes & character table

74 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 414688);