Finite Group Databasebeta
Cayley diagram

#131811

order512
nilpotency class4
isoclinismisoclinic class of #131808
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1786
commutatorC4×C8C22×C4
Frattini, cosocleC2×C4×C8C23
prime radical#61443C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #2965 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

583 conjugacy classes of subgroups; only the 94 normal subgroups are shown.

normal subgroups only

This group has 583 conjugacy classes of subgroups — too many to draw. Only its 94 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)(9,10,14,20,16,21,15,34)(11,22,12,26,25,35,29,38)(13,30,31,39,33,40,32,19)(17,27,36,24,37,28,18,23);(1,2)(3,7)(4,6)(5,8)(9,11)(10,17)(12,14)(13,27)(15,29)(16,25)(18,34)(19,38)(20,36)(21,37)(22,30)(23,32)(24,31)(26,39)(28,33)(35,40);(9,12,16,29)(10,18,21,36)(11,14,25,15)(13,23,33,24)(17,34,37,20)(19,22,39,35)(26,40,38,30)(27,32,28,31)

Polycyclic presentation:

2^9|a^2=f,c^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=egi,f^b=fghi,g^b=gi,h^b=hi,d^c=dgi,e^c=eg,g^c=gi,h^c=hi

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, 39007);