#491102

order	512
nilpotency class	4
isoclinism	isoclinic class of #491097
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	C₂×#466
commutator, Frattini, cosocle	C₄×C₈	C₂⁴
prime radical	#19258	C₂
LCS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ C₂×C₈×D₄ ◁ G
LECS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

467 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:

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

Polycyclic presentation:

2^9|b^2=egi,d^2=i,e^2=gi,f^2=h,g^2=i,b^a=be,c^a=cf,d^a=dh,e^a=eg,f^a=fh,g^a=gi,c^b=ci,f^c=fh

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

Relationships

maximal subgroup of	#72309639
maximal normal subgroup of	#72309639

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 398298);