Finite Group Databasebeta
Cayley diagram

#140791

order512
nilpotency class3
isoclinismisoclinic class of #10012
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C8#127
commutatorC2×C42C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1955
prime radicalC22×D4M16
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C8 ◁ C2×C4×C8 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 318 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=df,c^2=eg,d^2=g,e^2=g,f^2=h,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eg,c^b=cgh,e^b=ei,d^c=di

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, 47987);