#181693

order	512
nilpotency class	3
isoclinism	isoclinic class of #17547
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄² · Schur multiplier (H₂) = C₂⁷

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center	C₂×C₄	C₂²×C₂²⋊C₄
commutator	C₂×C₄	C₂²×C₄²
Frattini, cosocle	C₂×C₄²	C₂⁴
socle	C₂²	C₂²×#95
prime radical	C₂²×#41	D₄
LCS	G ▷ C₂×C₄ ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂×C₄ ◁ C₂×C₄×#41 ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

1637 conjugacy classes of subgroups.

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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=g,e^2=h,f^2=i,g^2=h,b^a=be,e^a=eh,g^a=ghi,e^b=ei,d^c=di

Conjugacy classes & character table

122 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 88889);