Finite Group Databasebeta
Cayley diagram

#125438

order512
nilpotency class4
isoclinismisoclinic class of #125438
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1558
commutatorC2×C42C22×C4
Frattini, cosocleC2×C4×C8C23
prime radicalC23C2×#100
LCSG ▷ C2×C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C4×#97 ◁ G
LECSG ▷ C2×C4×C8 ▷ C22×C4 ▷ C2 ▷ C1

246 conjugacy classes of subgroups; only the 66 normal subgroups are shown.

normal subgroups only

This group has 246 conjugacy classes of subgroups — too many to draw. Only its 66 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 32634);