Finite Group Databasebeta
Cayley diagram

#111395

order512
nilpotency class3
isoclinismisoclinic class of #111390
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1438
commutatorC2×C42C22×C4
Frattini, cosocleC22×C42C23
prime radicalC24#124
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C22×C42 ◁ G
LECSG ▷ C22×C42 ▷ C22 ▷ C1

834 conjugacy classes of subgroups; only the 146 normal subgroups are shown.

normal subgroups only

This group has 834 conjugacy classes of subgroups — too many to draw. Only its 146 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)(9,10,14,19,15,18,13,29)(11,20,23,36,24,16,22,32)(12,25,27,17,28,35,30,34)(21,38,26,37,39,33,40,31);(1,2)(3,7)(4,6)(5,8)(9,11,15,24)(10,16,18,20)(12,26,28,40)(13,23,14,22)(17,33,34,38)(19,36,29,32)(21,30,39,27)(25,31,35,37);(1,2)(3,7)(4,6)(5,8)(9,12,15,28)(10,17,18,34)(11,21,24,39)(13,30,14,27)(16,31,20,37)(19,35,29,25)(22,40,23,26)(32,38,36,33)

Polycyclic presentation:

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

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 18591);