#249815

order	512
nilpotency class	3
isoclinism	isoclinic class of #249799
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁶

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#2403
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	#18826	C₂
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

1001 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 48
transitive degree	μ_t(G) = 256

A minimal faithful permutation representation — 4 generators on 48 points:

(3,9)(5,13)(7,15)(8,12)(10,16)(11,14)(17,18)(19,28)(20,33)(21,36)(22,26)(23,27)(24,29)(25,34)(30,39)(31,38)(32,40)(35,42)(37,41)(43,45)(44,47)(46,48);(1,2,6,4)(3,7,11,10)(5,12,13,8)(9,16,14,15)(17,19,23,31)(18,24,27,40)(20,30,35,46)(21,32,22,29)(25,39,41,48)(26,38,36,28)(33,43,42,47)(34,44,37,45);(1,3)(2,7)(4,10)(5,14)(6,11)(8,16)(9,13)(12,15)(19,29)(21,22)(24,38)(26,36)(28,40)(30,44)(31,32)(33,42)(34,37)(39,47)(43,48)(45,46);(1,4,6,2)(3,10,11,7)(5,8,13,12)(9,15,14,16)(17,20)(18,25)(19,30)(21,37)(22,34)(23,35)(24,39)(26,42)(27,41)(28,43)(29,44)(31,46)(32,45)(33,36)(38,47)(40,48)

Polycyclic presentation:

2^9|b^2=i,d^2=hi,e^2=h,f^2=hi,g^2=h,b^a=be,c^a=cf,d^a=de,e^a=eh,f^a=fhi,c^b=cg,e^b=eh,f^b=fi,g^b=gh,e^c=ei,f^c=fhi,g^c=gh,e^d=eh,f^d=fi

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 157011);