Finite Group Databasebeta
Cayley diagram

#131802

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#61482C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #2966 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 588 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)(9,10,13,20,15,21,14,31)(11,22,24,38,25,33,32,37)(12,26,29,19,30,17,28,18)(16,27,34,39,36,40,35,23);(1,2)(3,7)(4,6)(5,8)(9,11,15,25)(10,16,21,36)(12,27,30,40)(13,24,14,32)(17,33,26,22)(18,37,19,38)(20,34,31,35)(23,29,39,28);(10,17)(12,28)(13,14)(16,33)(18,31)(19,20)(21,26)(22,36)(23,27)(24,32)(29,30)(34,38)(35,37)(39,40)

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=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, 38998);