Finite Group Databasebeta

C5×#25189 #11947909

order1280
nilpotency class3
isoclinismisoclinic class of #24289
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#25189

Subgroups

subgroupG/H
center, socleC22×C5D42
commutator, Frattini, cosocleC22×C4C24×C5
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ G

1000 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 41
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 4 generators on 41 points:

(1,2,3,4,5)(10,11,16,20,17,21,15,31)(12,22,24,18,13,25,27,34)(14,28,29,19,30,35,32,36)(23,33,39,40,26,41,38,37);(6,7)(8,9)(10,12,16,24,17,13,15,27)(11,18,20,25,21,34,31,22)(14,23,29,39,30,26,32,38)(19,33,35,40,36,41,28,37);(7,9)(10,13)(11,18)(12,17)(14,26)(15,27)(16,24)(19,33)(20,22)(21,34)(23,30)(25,31)(28,40)(29,39)(32,38)(35,37)(36,41);(10,14,17,30)(11,19,21,36)(12,23,13,26)(15,32,16,29)(18,33,34,41)(20,35,31,28)(22,37,25,40)(24,39,27,38)

Conjugacy classes & character table

230 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 18177);