Finite Group Databasebeta
Cayley diagram

#111366

order512
nilpotency class3
isoclinismisoclinic class of #10370
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC42#124
commutatorC2×C42C22×C4
Frattini, cosocleC22×C42C23
socleC22#1438
prime radical#60676C2
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C42 ◁ C22×C42 ◁ G
LECSG ▷ C22×C42 ▷ C22 ▷ C1

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

normal subgroups only

This group has 880 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)(11,21,24,16)(12,25)(13,20)(14,19)(15,18)(17,28)(22,38,39,33)(23,32,30,36)(26,37,40,31)(27,34)(29,35);(1,2)(3,7)(4,6)(5,8)(9,11)(10,16)(12,26)(13,23)(14,30)(15,24)(17,33)(18,21)(19,32)(20,36)(22,29)(25,37)(27,40)(28,39)(31,34)(35,38);(1,2)(3,7)(4,6)(5,8)(9,12)(10,17)(11,22)(13,29)(14,28)(15,27)(16,31)(18,35)(19,34)(20,25)(21,37)(23,40)(24,39)(26,30)(32,38)(33,36)

Polycyclic presentation:

2^9|a^2=g,d^2=i,e^2=hi,f^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=ei,f^b=fh,g^b=ghi,d^c=dhi,e^c=ehi,f^c=fh,g^c=gi

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 18562);