Finite Group Databasebeta
Cayley diagram

#150225

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#29725C2
LCSG ▷ C2×C42 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23 ◁ C23×C4 ◁ #2311 ◁ G
LECSG ▷ #391 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1

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

normal subgroups only

This group has 408 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)(9,10,13,18,14,19,30,35)(11,20,23,33,24,39,40,15)(12,16,27,17,28,34,26,36)(21,38,22,32,25,37,29,31);(2,5)(3,8)(6,7)(9,11)(10,15)(12,25)(13,29)(14,24)(16,31)(17,20)(18,37)(19,33)(21,28)(22,30)(23,26)(27,40)(32,34)(35,38)(36,39);(9,12,14,28)(10,16,19,34)(11,21,24,25)(13,27,30,26)(15,31,33,32)(17,35,36,18)(20,38,39,37)(22,40,29,23)

Polycyclic presentation:

2^9|a^2=e,c^2=i,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, 57421);