Finite Group Databasebeta
Cayley diagram

#136922

order512
nilpotency class4
isoclinismisoclinic class of #136889
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1874
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radical#3147C22
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C2×#446 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

387 conjugacy classes of subgroups; only the 96 normal subgroups are shown.

normal subgroups only

This group has 387 conjugacy classes of subgroups — too many to draw. Only its 96 normal subgroups are shown.

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

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,c^2=h,d^2=g,e^2=hi,f^2=g,g^2=i,b^a=bd,c^a=ce,d^a=di,e^a=ei,d^b=dg,e^b=eh,f^b=fg,g^b=gi,d^c=dh,e^c=ehi,f^c=fh

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 44118);