Finite Group Databasebeta
Cayley diagram

#124511

order512
nilpotency class4
isoclinismisoclinic class of #11915
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1533
commutatorC42C22×C8
Frattini, cosocleC2×#97C23
prime radicalC2×#532C4
LCSG ▷ C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×C4×M16 ◁ G
LECSG ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1

494 conjugacy classes of subgroups; only the 86 normal subgroups are shown.

normal subgroups only

This group has 494 conjugacy classes of subgroups — too many to draw. Only its 86 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)(3,7,8,5)(4,6)(9,10,13,19,14,17,27,34,15,20,28,37,12,18,25,35)(11,21,23,38,22,16,30,31,24,32,39,36,29,33,26,40);(1,3)(2,5)(4,8)(6,7)(9,11)(10,16)(12,22)(13,26)(14,29)(15,24)(17,21)(18,32)(19,36)(20,33)(23,25)(27,39)(28,30)(31,34)(35,40)(37,38);(9,12,15,14)(10,17,20,18)(11,22,24,29)(13,27,28,25)(16,21,33,32)(19,35,37,34)(23,26,39,30)(31,36,40,38)

Polycyclic presentation:

2^9|a^2=e,c^2=i,d^2=g,e^2=h,f^2=i,h^2=i,b^a=bd,c^a=cg,d^a=df,g^a=gi,d^b=dg,e^b=efgi,f^b=fi,h^b=hi,e^c=ei,e^d=ei

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 31707);