#7561781

order	512
nilpotency class	3
isoclinism	isoclinic class of #7519063
automorphism	?
homology	Abelianization (H₁) = C₂⁵ · Schur multiplier (H₂) = C₂⁸

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	C₂×D₄²
commutator, Frattini, cosocle	C₂²×C₄	C₂⁵
LCS	G ▷ C₂²×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂³×C₄ ◁ G
LECS	G ▷ C₂²×C₄ ▷ C₂ ▷ C₁

2108 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 40
transitive degree	μ_t(G) = 128

A minimal faithful permutation representation — 5 generators on 40 points:

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

Polycyclic presentation:

2^9|b^2=i,c^2=fgi,d^2=fgi,g^2=i,b^a=bf,c^a=cg,d^a=dg,e^a=ef,g^a=gi,h^a=hi,c^b=cg,d^b=dh,g^b=gi,h^d=hi

Conjugacy classes & character table

74 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 7468977);