Finite Group Databasebeta
Cayley diagram

#123248

order512
nilpotency class4
isoclinismisoclinic class of #123243
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1598
commutator, Frattini, cosocleC2×C22⋊C8C23
prime radical#12102C2
LCSG ▷ C2×C22⋊C8 ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C22⋊C8 ◁ G
LECSG ▷ C2×C22⋊C8 ▷ C22×C4 ▷ C22 ▷ C1

378 conjugacy classes of subgroups; only the 42 normal subgroups are shown.

normal subgroups only

This group has 378 conjugacy classes of subgroups — too many to draw. Only its 42 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) = 64

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

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

Polycyclic presentation:

2^9|b^2=h,c^2=gh,d^2=fh,e^2=h,f^2=h,b^a=bd,c^a=ce,d^a=df,e^a=eh,f^a=fh,g^a=gi,d^b=df,e^b=egi,f^b=fh,d^c=dg,e^c=ehi,e^d=ei

Conjugacy classes & character table

38 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 30444);