#99995

order	512
nilpotency class	3
isoclinism	isoclinic class of #9331
automorphism	?
homology	Abelianization (H₁) = C₂²×C₈ · Schur multiplier (H₂) = C₂³

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂³	#386
commutator	C₂²×C₄	C₂²×C₈
Frattini, cosocle	C₂²×C₄²	C₂³
prime radical	C₂×#121	C₂×C₄
LCS	G ▷ C₂²×C₄ ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂²×C₄² ◁ G
LECS	G ▷ C₂²×C₄² ▷ C₂³ ▷ C₁

474 conjugacy classes of subgroups; only the 96 normal subgroups are shown.

normal subgroups only

This group has 474 conjugacy classes of subgroups — too many to draw. Only its 96 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) = 256

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=f,b^2=df,d^2=gh,e^2=gh,f^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eh,d^b=dh,e^b=eg,f^b=fh,d^c=dg,e^c=egh,f^c=fg

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, 7191);