Finite Group Databasebeta
Cayley diagram

#124146

order512
nilpotency class4
isoclinismisoclinic class of #11692
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×#99
commutatorC22×C4C22×C8
Frattini, cosocleC2×#97C23
socleC22C2×#323
prime radicalC2×#121C8
LCSG ▷ C22×C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C4×M16 ◁ G
LECSG ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1

404 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 404 conjugacy classes of subgroups — too many to draw. Only its 90 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:

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

Polycyclic presentation:

2^9|a^2=e,c^2=g,d^2=g,e^2=h,h^2=i,b^a=bd,d^a=df,f^a=fi,c^b=ci,d^b=dg,e^b=efg,e^d=ei

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 31342);