Finite Group Databasebeta

C5×#20671 #11943391

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

Aliases

direct productC5×#20671

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

1324 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)(8,16)(9,20,22,13)(10,23)(11,15)(12,19)(14,24)(17,30,31,28)(18,29)(21,27,36,35)(25,32,34,37)(26,33);(6,8,10,19,11,18,24,33)(7,12,14,16,15,26,23,29)(9,17,21,32,22,31,36,37)(13,25,27,28,20,34,35,30);(6,9)(7,13)(8,17)(10,21)(11,22)(12,25)(14,27)(15,20)(16,28)(18,31)(19,32)(23,35)(24,36)(26,34)(29,30)(33,37);(8,18)(12,26)(16,29)(17,31)(19,33)(25,34)(28,30)(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, 13659);