Finite Group Databasebeta
Cayley diagram

#150224

order512
nilpotency class5
isoclinismisoclinic class of #150220
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2127
commutatorC2×C42C22×C4
Frattini, cosocle#391C23
prime radical#2619C4
LCSG ▷ C2×C42 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23 ◁ C23×C4 ◁ #2310 ◁ G
LECSG ▷ #391 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1

391 conjugacy classes of subgroups; only the 66 normal subgroups are shown.

normal subgroups only

This group has 391 conjugacy classes of subgroups — too many to draw. Only its 66 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)(9,10,12,18,14,19,24,33)(11,16,21,30,20,31,34,40)(13,17,23,32,26,15,25,28)(22,29,36,39,35,27,37,38);(2,5)(3,8)(6,7)(10,15)(12,23)(13,26)(16,29)(17,19)(21,36)(22,35)(24,25)(27,31)(28,32)(30,40)(34,37);(9,11)(10,16)(12,21)(13,22)(14,20)(15,27)(17,29)(18,30)(19,31)(23,36)(24,34)(25,37)(26,35)(28,38)(32,39)(33,40)

Polycyclic presentation:

2^9|a^2=e,d^2=g,e^2=i,f^2=i,b^a=bd,d^a=df,f^a=fh,g^a=gi,h^a=hi,c^b=ch,d^b=dg,e^b=efgi,f^b=fi,d^c=di,e^d=ehi,f^e=fi

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 57420);