Finite Group Databasebeta
Cayley diagram

#150209

order512
nilpotency class5
isoclinismisoclinic class of #7412
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#354
commutatorC2×C42C22×C4
Frattini, cosocle#390C23
socleC22C2×#354
prime radicalC22×#41D4
LCSG ▷ C2×C42 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ C23×C4 ◁ #2297 ◁ G
LECSG ▷ #390 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1

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

normal subgroups only

This group has 403 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:

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

Polycyclic presentation:

2^9|a^2=e,b^2=h,c^2=i,d^2=gi,f^2=i,b^a=bd,d^a=df,f^a=fh,g^a=gi,h^a=hi,d^b=dg,e^b=efg,f^b=fi,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, 57405);