Finite Group Databasebeta

C5×#18696 #11941416

order1280
nilpotency class3
isoclinismisoclinic class of #18682
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#18696

Subgroups

subgroupG/H
center, socleC22×C5C2×#120
commutator, Frattini, cosocleC42C24×C5
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

946 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 4 generators on 37 points:

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

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 11684);