Finite Group Databasebeta
Cayley diagram

#126451

order512
nilpotency class4
isoclinismisoclinic class of #126351
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1616
commutator, Frattini, cosocleC2×#97C23
prime radicalC23#450
LCSG ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#97 ◁ G
LECSG ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1

234 conjugacy classes of subgroups; only the 52 normal subgroups are shown.

normal subgroups only

This group has 234 conjugacy classes of subgroups — too many to draw. Only its 52 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)(3,4)(7,8)(9,10,15,21,16,22,14,32)(11,23,27,34,28,37,26,33)(12,20,13,31,30,17,29,19)(18,24,35,25,36,40,38,39);(1,2,5,7)(3,6,4,8)(10,17)(12,13)(14,15)(18,33)(19,32)(20,22)(21,31)(23,38)(24,25)(26,27)(29,30)(34,36)(35,37)(39,40);(1,3,5,4)(2,6,7,8)(9,11,16,28)(10,18)(12,25,30,39)(13,24,29,40)(14,27,15,26)(17,33)(19,37)(20,34)(21,38)(22,36)(23,31)(32,35)

Polycyclic presentation:

2^9|a^2=g,b^2=fhi,c^2=fgi,d^2=f,e^2=h,f^2=i,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=df,e^a=eh,f^a=fi,h^a=hi,d^b=dfi,e^b=egi,f^b=fi,g^b=gi,h^b=hi,d^c=dg,e^c=eh,f^c=fi,g^c=gi,h^c=hi,e^d=ei

Conjugacy classes & character table

41 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 33647);