Finite Group Databasebeta

C5×#18987 #11941707

order1280
nilpotency class3
isoclinismisoclinic class of #1655
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#18987

Subgroups

subgroupG/H
centerC2×C4×C5#120
commutator, Frattini, cosocleC42C24×C5
socleC22×C5C2×#120
prime radicalC5×#3529C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C2×C42×C5 ◁ G

904 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 320

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

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

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, 11975);