#100721

order	512
nilpotency class	3
isoclinism	isoclinic class of #100715
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂³

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂³	#386
commutator	C₂×C₄²	C₂²×C₄
Frattini, cosocle	C₂²×C₄²	C₂³
prime radical	C₂×#121	D₄
LCS	G ▷ C₂×C₄² ▷ C₂³ ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂²×C₄² ◁ G
LECS	G ▷ C₂²×C₄² ▷ C₂³ ▷ C₁

463 conjugacy classes of subgroups; only the 88 normal subgroups are shown.

normal subgroups only

This group has 463 conjugacy classes of subgroups — too many to draw. Only its 88 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfgi,d^2=gh,e^2=hi,b^a=bd,c^a=ce,d^a=dg,e^a=eh,d^b=dh,e^b=ei,f^b=fh,d^c=di,e^c=ehi,f^c=fi

Conjugacy classes & character table

59 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 7917);