Finite Group Databasebeta

C5×#20939 #11943659

order1280
nilpotency class3
isoclinismisoclinic class of #3019
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C27

Aliases

direct productC5×#20939

Subgroups

subgroupG/H
centerC4×C5C2×#120
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
socleC2×C5C2×#386
prime radicalC2×C5×#575C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4×C5 ◁ C23×C4×C5 ◁ G

1668 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 160

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

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

Conjugacy classes & character table

290 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 13927);