Finite Group Databasebeta

C5×#21098 #11943818

order1280
nilpotency class3
isoclinismisoclinic class of #3057
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C24×C4

Aliases

direct productC5×#21098

Subgroups

subgroupG/H
centerC2×C4×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
socleC22×C5C2×C4×D4
prime radicalC22×C5×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C22×C5×M16 ◁ G

1022 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)(6,7)(8,9)(10,11,15,19,16,20,14,30)(12,21,25,32,23,35,24,17)(13,26,28,33,29,40,27,18)(22,36,39,41,37,31,38,34);(10,12)(11,17,20,32)(13,22)(14,24)(15,25)(16,23)(18,31,33,36)(19,21,30,35)(26,34,40,41)(27,38)(28,39)(29,37);(7,9)(10,13,14,27,16,29,15,28)(11,18,19,26,20,33,30,40)(12,22,24,38,23,37,25,39)(17,31,21,34,32,36,35,41);(12,23)(17,32)(21,35)(22,37)(24,25)(31,36)(34,41)(38,39)

Conjugacy classes & character table

320 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 14086);