Finite Group Databasebeta

C5×#20673 #11943393

order1280
nilpotency class3
isoclinismisoclinic class of #20671
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C26

Aliases

direct productC5×#20673

Subgroups

subgroupG/H
centerC4×C5C2×#117
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
socleC2×C5C2×#380
prime radicalC22×C5×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4×C5 ◁ C22×C5×M16 ◁ G

1292 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)(6,7,11,15,12,16,10,25)(8,17,21,28,19,32,20,13)(9,22,23,29,24,14,26,30)(18,33,35,37,34,31,36,27);(6,8,10,20,12,19,11,21)(7,13,15,17,16,28,25,32)(9,18,23,35,24,34,26,36)(14,27,29,31,22,37,30,33);(6,9)(7,14)(8,18)(10,23)(11,26)(12,24)(13,27)(15,29)(16,22)(17,31)(19,34)(20,35)(21,36)(25,30)(28,37)(32,33);(8,19)(13,28)(17,32)(18,34)(20,21)(27,37)(31,33)(35,36)

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, 13661);