Finite Group Databasebeta
Cayley diagram

#124496

order512
nilpotency class4
isoclinismisoclinic class of #11912
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1530
commutatorC42C22×C8
Frattini, cosocleC2×#97C23
prime radicalC23C2×#100
LCSG ▷ C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ #1726 ◁ G
LECSG ▷ C2×#97 ▷ C22×C4 ▷ C2 ▷ C1

278 conjugacy classes of subgroups; only the 94 normal subgroups are shown.

normal subgroups only

This group has 278 conjugacy classes of subgroups — too many to draw. Only its 94 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:

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

Polycyclic presentation:

2^9|a^2=e,b^2=g,c^2=fgh,d^2=gi,e^2=h,f^2=i,h^2=i,b^a=bd,c^a=cf,d^a=df,g^a=gi,d^b=dg,e^b=efg,f^b=fi,h^b=hi,d^c=di,e^c=ei,e^d=ei

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 31692);