Finite Group Databasebeta

C5×#19469 #11942189

order1280
nilpotency class3
isoclinismisoclinic class of #19456
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#19469

Subgroups

subgroupG/H
center, socleC22×C5C2×#121
commutator, Frattini, cosocleC42C24×C5
prime radicalC5×#532C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

610 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)(6,7,10,13)(8,14,15,21)(9,17,18,12)(11,19,20,16)(24,30)(25,32)(27,34)(29,36)(31,33)(35,37);(6,8,9,16,10,15,18,19)(7,11,12,14,13,20,17,21)(22,23)(24,27)(25,29)(26,28)(30,34)(31,35)(32,36)(33,37);(22,24,26,31)(23,27,28,35)(25,33,32,30)(29,37,36,34);(8,15)(11,20)(14,21)(16,19)(23,28)(27,35)(29,36)(34,37)

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, 12457);