#138329

order	512
nilpotency class	4
isoclinism	isoclinic class of #138028
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂³

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#1898
commutator	C₂×C₄²	C₂²×C₄
Frattini, cosocle	C₂×#117	C₂³
prime radical	C₂⁴	#120
LCS	G ▷ C₂×C₄² ▷ C₂³ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂²×C₄ ◁ C₂×#519 ◁ G
LECS	G ▷ C₂×#117 ▷ C₂³ ▷ C₂ ▷ C₁

504 conjugacy classes of subgroups; only the 82 normal subgroups are shown.

normal subgroups only

This group has 504 conjugacy classes of subgroups — too many to draw. Only its 82 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) = 48
transitive degree	μ_t(G) = 128

A minimal faithful permutation representation — 3 generators on 48 points:

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

Polycyclic presentation:

2^9|a^2=f,b^2=df,c^2=ghi,d^2=gh,e^2=i,f^2=ghi,b^a=bd,c^a=ce,d^a=dg,g^a=gi,h^a=hi,c^b=cg,d^b=dh,e^b=ei,f^b=fh,g^b=gi,h^b=hi,e^c=ei,f^c=fi,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, 45525);