Finite Group Databasebeta
Cayley diagram

#131790

order512
nilpotency class4
isoclinismisoclinic class of #12316
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#447
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
socleC22#1786
prime radical#61435C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C8×#41 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 589 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:

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

Polycyclic presentation:

2^9|a^2=f,b^2=i,d^2=hi,e^2=gi,f^2=i,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=eg,g^a=gi,h^a=hi,d^b=dh,e^b=eg,f^b=fghi,g^b=gi,h^b=hi,d^c=dg,e^c=eg,g^c=gi,h^c=hi

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, 38986);