Finite Group Databasebeta
Cayley diagram

#93486

order512
nilpotency class4
isoclinismisoclinic class of #7304
automorphism?
homologyAbelianization (H1) = C4×C8 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4#342
commutatorC24C4×C8
Frattini, cosocleC22×#131C22
socleC22#1282
prime radicalC22×#41C2×C4
LCSG ▷ C24 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×C8 ◁ C22×#131 ◁ G
LECSG ▷ C22×#131 ▷ C22×C4 ▷ C2 ▷ C1

402 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 402 conjugacy classes of subgroups — too many to draw. Only its 70 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) = 72
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 2 generators on 72 points:

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

Polycyclic presentation:

2^9|a^2=d,b^2=e,d^2=h,h^2=i,b^a=bc,c^a=cf,e^a=eg,f^a=fi,g^a=gi,c^b=cg,d^b=df,f^b=fi,g^b=gi,d^c=di,e^c=ei,e^d=ei

Conjugacy classes & character table

68 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 682);