#339780

order	512
nilpotency class	3
isoclinism	isoclinic class of #339775
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁴

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#2675
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	#19230	C₂
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

615 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:

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

Polycyclic presentation:

2^9|b^2=h,d^2=eh,e^2=h,f^2=i,g^2=h,b^a=be,c^a=cf,d^a=def,e^a=eh,f^a=fi,c^b=cg,d^b=dei,e^b=eh,g^b=gh,f^c=fi,g^c=gh,f^d=fi

Conjugacy classes & character table

47 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 246976);