Finite Group Databasebeta
Cayley diagram

#124789

order512
nilpotency class4
isoclinismisoclinic class of #124708
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1530
commutatorC2×C42C22×C4
Frattini, cosocleC2×#97C23
prime radicalC2×#127C2×C4
LCSG ▷ C2×C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ #1726 ◁ G
LECSG ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 368 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:

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

Polycyclic presentation:

2^9|a^2=e,c^2=fghi,d^2=g,e^2=h,f^2=i,h^2=i,b^a=bd,c^a=ch,d^a=df,g^a=gi,d^b=dg,e^b=efgi,f^b=fi,h^b=hi,d^c=di,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, 31985);