#331085

order	512
nilpotency class	3
isoclinism	isoclinic class of #331055
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂²×C₄

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#2631
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	#3205	C₂²
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

490 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 48
transitive degree	μ_t(G) = 128

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

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

Polycyclic presentation:

2^9|a^2=ei,b^2=i,d^2=f,e^2=h,f^2=h,g^2=i,b^a=be,c^a=cf,d^a=di,g^a=gh,c^b=cg,e^b=eh,g^b=gi,d^c=de,e^c=eh,f^c=fh,g^c=gi,g^d=gh

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 238281);