Finite Group Databasebeta

C5×#12685 #11935405

order1280
nilpotency class3
isoclinismisoclinic class of #453
automorphism?
homologyAbelianization (H1) = C22×C5×C8 · Schur multiplier (H2) = C25

Aliases

direct productC5×#12685

Subgroups

subgroupG/H
centerC5×C8#120
commutatorC2×C4C22×C5×C8
Frattini, cosocleC22×C8C23×C5
socleC2×C5#1779
prime radicalC5×#585C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C5×C8 ◁ C22×C5×C8 ◁ G

890 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 69
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 69 points:

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

Conjugacy classes & character table

320 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5673);