Finite Group Databasebeta
Cayley diagram

#99722

order512
nilpotency class3
isoclinismisoclinic class of #7734
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC22×C4#120
commutatorC2×C42C22×C4
Frattini, cosocleC22×C42C23
socleC23#386
prime radicalC22×#41D4
LCSG ▷ C2×C42 ▷ C23 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C42 ▷ C23 ▷ C1

452 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 452 conjugacy classes of subgroups — too many to draw. Only its 90 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) = 256

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

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfgh,c^2=gh,d^2=g,e^2=hi,f^2=ghi,b^a=bd,c^a=ce,e^a=ei,d^b=dg,e^b=eh,f^b=fg,d^c=dh,e^c=ehi,f^c=fh

Conjugacy classes & character table

74 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 6918);