Finite Group Databasebeta

C5×#20955 #11943675

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

Aliases

direct productC5×#20955

Subgroups

subgroupG/H
center, socleC22×C5C2×#120
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
prime radicalC22×C5×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C4×C5 ◁ G

1710 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 41
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 4 generators on 41 points:

(1,2,3,4,5)(7,9)(10,11,15,19,16,21,14,20)(12,22,24,17,26,32,25,33)(13,27,28,34,30,18,29,35)(23,36,39,40,38,41,37,31);(6,7,8,9)(10,12)(11,17)(13,23)(14,24)(15,25)(16,26)(18,31)(19,22)(20,32)(21,33)(27,40)(28,37)(29,39)(30,38)(34,36)(35,41);(10,13)(11,18)(12,23)(14,28)(15,29)(16,30)(17,31)(19,34)(20,35)(21,27)(22,36)(24,37)(25,39)(26,38)(32,41)(33,40);(10,14,16,15)(11,19,21,20)(12,24,26,25)(13,28,30,29)(17,22,33,32)(18,34,27,35)(23,37,38,39)(31,36,40,41)

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, 13943);