#342522

order	512
nilpotency class	3
isoclinism	isoclinic class of #334823
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂²×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂³	D₄²
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	C₂²×D₈	D₄
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂³ ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

653 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)(9,10,14,19,15,20,11,16)(12,23,21,18,13,24,22,17)(25,26)(27,32)(28,33)(29,31)(30,34)(35,40)(36,38)(37,39);(1,3)(2,5)(4,8)(6,7)(9,11,15,14)(10,16,20,19)(12,21,13,22)(17,23,18,24)(26,31)(27,35)(28,30)(32,39)(36,37)(38,40);(9,12,15,13)(10,17,20,18)(11,21,14,22)(16,23,19,24)(25,27,29,36)(26,32,31,38)(28,35,30,37)(33,40,34,39);(2,6)(3,8)(9,13,15,12)(10,18,20,17)(11,22,14,21)(16,24,19,23)(25,28,29,30)(26,33,31,34)(27,35,36,37)(32,40,38,39)

Polycyclic presentation:

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

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 249718);