#139442

order	512
nilpotency class	4
isoclinism	isoclinic class of #139440
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	C₂×#540	C₂²
LCS	G ▷ C₂×C₄² ▷ C₂³ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂²×C₄ ◁ C₂×#540 ◁ G
LECS	G ▷ C₂×#117 ▷ C₂³ ▷ C₂ ▷ C₁

442 conjugacy classes of subgroups; only the 66 normal subgroups are shown.

normal subgroups only

This group has 442 conjugacy classes of subgroups — too many to draw. Only its 66 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)(3,10,11,14)(4,7,12,13)(5,8)(6,9)(15,16)(17,18,22,27)(19,28)(20,33)(21,24,36,26)(23,34,39,30)(25,29)(31,42)(32,44)(35,41)(37,48,38,46)(40,45)(43,47);(1,3,5,13,6,11,15,7)(2,4,8,14,9,12,16,10)(17,19,29,30,22,32,20,34)(18,23,33,44,27,39,25,28)(21,31,45,46,36,47,35,48)(24,37,41,43,26,38,40,42);(1,4)(2,7)(3,8)(5,14)(6,12)(9,13)(10,15)(11,16)(18,24)(21,36)(23,37)(25,40)(26,27)(28,42)(31,47)(33,41)(35,45)(38,39)(43,44)(46,48)

Polycyclic presentation:

2^9|a^2=f,b^2=dfi,d^2=gh,e^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eghi,g^a=gi,h^a=hi,d^b=dh,e^b=egh,f^b=fh,g^b=gi,h^b=hi,d^c=dgh,e^c=ei,f^c=fgh,f^d=fi

Conjugacy classes & character table

41 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 46638);