Finite Group Databasebeta
Cayley diagram

#137657

order512
nilpotency class4
isoclinismisoclinic class of #13313
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#466
commutatorC22×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1893
prime radicalC2×#41C22⋊C4
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C4×#131 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

374 conjugacy classes of subgroups; only the 100 normal subgroups are shown.

normal subgroups only

This group has 374 conjugacy classes of subgroups — too many to draw. Only its 100 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) = 256

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,d^2=g,e^2=i,f^2=h,g^2=i,b^a=bd,c^a=ce,d^a=dg,g^a=gi,c^b=ch,d^b=di,e^b=ei,f^b=fi,d^c=di,e^c=ei,f^c=fi

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, 44853);