Finite Group Databasebeta
Cayley diagram

#133451

order512
nilpotency class4
isoclinismisoclinic class of #133329
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1790
commutatorC22×D4C22×C4
Frattini, prime radical, cosocleC22×#41C23
LCSG ▷ C22×D4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×#41 ◁ G
LECSG ▷ C22×#41 ▷ C23 ▷ C2 ▷ C1

636 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 636 conjugacy classes of subgroups — too many to draw. Only its 78 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=i,c^2=gi,e^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=ei,g^a=gi,h^a=hi,c^b=ci,e^b=ehi,f^b=fg,d^c=dh,e^d=ei,f^d=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, 40647);