#121297

order	512
nilpotency class	3
isoclinism	isoclinic class of #10637
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center	C₂×C₄	#397
commutator	C₂×C₄²	C₂²×C₄
Frattini, cosocle	C₂²×C₄²	C₂³
socle	C₂²	#1443
prime radical	C₂⁴	C₂²⋊Q₈
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂×C₄ ◁ C₂²×C₄² ◁ G
LECS	G ▷ C₂²×C₄² ▷ C₂² ▷ C₁

453 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=g,b^2=de,c^2=dh,d^2=i,e^2=h,f^2=i,g^2=hi,b^a=bd,c^a=ce,d^a=dh,e^a=ei,f^a=fh,c^b=cf,d^b=dh,e^b=eh,f^b=fi,g^b=ghi,f^c=fhi,g^c=ghi

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, 28493);