Finite Group Databasebeta
Cayley diagram

#131797

order512
nilpotency class4
isoclinismisoclinic class of #131796
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#61479C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #2966 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 594 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) = 128

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

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

Polycyclic presentation:

2^9|a^2=f,c^2=i,d^2=hi,e^2=gi,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=dg,e^a=egi,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,f^c=fi,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, 38993);