Finite Group Databasebeta
Cayley diagram

#150290

order512
nilpotency class5
isoclinismisoclinic class of #7402
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#353
commutatorC2×C42C22×C4
Frattini, cosocle#391C23
socleC22C2×#353
prime radicalC22×#41D4
LCSG ▷ C2×C42 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C23×C4 ◁ #2297 ◁ G
LECSG ▷ #391 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1

417 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 417 conjugacy classes of subgroups — too many to draw. Only its 74 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:

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

Polycyclic presentation:

2^9|a^2=e,b^2=fh,c^2=i,d^2=ghi,e^2=i,f^2=i,b^a=bd,d^a=df,f^a=fh,h^a=hi,d^b=dg,e^b=efgh,e^d=ehi,f^e=fi

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, 57486);