#184619

order	512
nilpotency class	2
isoclinism	isoclinic class of #2668
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄² · Schur multiplier (H₂) = C₂²×C₈

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, Frattini, cosocle	C₂×C₄²	C₂⁴
commutator, socle	C₂³	C₂²×C₄²
prime radical	C₂²×D₄	C₄²
LCS	G ▷ C₂³ ▷ C₁
UCS	C₁ ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

739 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 256

A minimal faithful permutation representation — 4 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=f,b^2=g,c^2=f,f^2=h,g^2=i,b^a=be,c^a=ci,d^a=de,c^b=ceh,d^b=dh

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 91815);