Finite Group Databasebeta
Cayley diagram

#137756

order512
nilpotency class3
isoclinismisoclinic class of #9345
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#386
commutatorC22×C4C22×C8
Frattini, cosocleC23×C8C23
socleC22#1869
prime radicalC24#131
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C8 ◁ G
LECSG ▷ C23×C8 ▷ C2×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 346 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) = 80
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

2^9|a^2=f,b^2=dfg,c^2=g,e^2=i,f^2=h,h^2=i,b^a=bd,c^a=ce,d^a=dg,d^b=dg,e^b=ei,f^b=fg,d^c=di,e^c=ei,f^c=fi

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, 44952);