Finite Group Databasebeta
Cayley diagram

#133497

order512
nilpotency class4
isoclinismisoclinic class of #133350
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

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

normal subgroups only

This group has 632 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) = 128

A minimal faithful permutation representation — 3 generators on 40 points:

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

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,g^a=gi,h^a=hi,e^b=ehi,f^b=fg,d^c=dh,f^c=fi,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, 40693);