Finite Group Databasebeta
Cayley diagram

#136784

order512
nilpotency class3
isoclinismisoclinic class of #9431
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#386
commutatorC42C22×C8
Frattini, cosocleC2×C4×C8C23
socleC22#1869
prime radicalC23#408
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C4×C8 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

295 conjugacy classes of subgroups; only the 88 normal subgroups are shown.

normal subgroups only

This group has 295 conjugacy classes of subgroups — too many to draw. Only its 88 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) = 80
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 80 points:

(1,2)(3,11,13,15)(4,14,7,8)(5,9)(6,10)(12,16)(17,18,22,29,24,30,45,59,23,27,44,46,21,28,41,56)(19,25,34,49,33,48,65,75,32,50,42,57,39,54,70,77)(20,35,38,68,37,53,69,58,36,55,43,71,40,26,51,52)(31,60,62,78,64,47,72,74,63,67,66,80,61,73,79,76);(1,3,5,14,6,13,16,8)(2,7,9,15,10,4,12,11)(17,19,22,42,24,33,45,70,23,32,44,34,21,39,41,65)(18,25,46,49,30,48,56,75,27,50,29,57,28,54,59,77)(20,31,43,62,37,64,51,72,36,63,38,66,40,61,69,79)(26,47,52,76,35,67,68,78,53,73,58,74,55,60,71,80);(1,4,6,7)(2,8,10,14)(3,12,13,9)(5,11,16,15)(17,20,23,36)(18,26,27,53)(19,31,32,63)(21,40,24,37)(22,43,44,38)(25,47,50,73)(28,55,30,35)(29,58,46,52)(33,64,39,61)(34,66,42,62)(41,69,45,51)(48,67,54,60)(49,76,57,74)(56,68,59,71)(65,79,70,72)(75,78,77,80)

Polycyclic presentation:

2^9|a^2=f,b^2=df,c^2=g,d^2=gi,e^2=i,f^2=h,h^2=i,b^a=bd,c^a=ce,d^a=di,e^a=egi,d^b=dg,e^b=eg,f^b=fg,d^c=dg,e^c=ei,f^c=fg

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, 43980);