#268685

order	512
nilpotency class	3
isoclinism	isoclinic class of #268627
automorphism	?
homology	Abelianization (H₁) = C₂⁴ · Schur multiplier (H₂) = C₂⁵

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#2410
commutator, Frattini, cosocle	C₂×C₄²	C₂⁴
prime radical	#3498	C₂²
LCS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ G
LECS	G ▷ C₂×C₄² ▷ C₂² ▷ C₁

955 conjugacy classes of subgroups; only the 144 normal subgroups are shown.

normal subgroups only

This group has 955 conjugacy classes of subgroups — too many to draw. Only its 144 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

53 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 175881);