Finite Group Databasebeta
Cayley diagram

#131794

order512
nilpotency class4
isoclinismisoclinic class of #12324
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#61444C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ #2965 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

616 conjugacy classes of subgroups; only the 96 normal subgroups are shown.

normal subgroups only

This group has 616 conjugacy classes of subgroups — too many to draw. Only its 96 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)(9,10,14,20,16,21,15,31)(11,22,25,34,26,39,32,33)(12,19,13,29,28,38,27,18)(17,24,35,30,37,40,36,23);(1,2)(3,7)(4,6)(5,8)(9,11)(10,17)(12,24)(13,30)(14,25)(15,32)(16,26)(18,33)(19,22)(20,35)(21,37)(23,27)(28,40)(29,34)(31,36)(38,39);(10,18)(12,27)(13,28)(14,15)(17,33)(19,31)(20,38)(21,29)(22,36)(23,24)(25,32)(30,40)(34,37)(35,39)

Polycyclic presentation:

2^9|a^2=f,d^2=hi,e^2=g,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=egi,f^c=fi,g^c=gi,h^c=hi

Conjugacy classes & character table

62 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 38990);