Finite Group Databasebeta
Cayley diagram

#134478

order512
nilpotency class4
isoclinismisoclinic class of #124679
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#410
commutatorC2×C42C22×C4
Frattini, cosocleC2×#117C23
socleC22#1799
prime radicalC24#121
LCSG ▷ C2×C42 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C8 ◁ C2×#405 ◁ G
LECSG ▷ C2×#117 ▷ C23 ▷ C2 ▷ C1

366 conjugacy classes of subgroups; only the 86 normal subgroups are shown.

normal subgroups only

This group has 366 conjugacy classes of subgroups — too many to draw. Only its 86 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dg,c^2=g,d^2=i,e^2=hi,b^a=bd,c^a=ce,e^a=eg,g^a=gi,f^b=fi,e^c=eh,f^c=fghi,f^e=fi

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 41674);