Finite Group Databasebeta

C5×#21883 #11944603

order1280
nilpotency class3
isoclinismisoclinic class of #17405
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C24×C4

Aliases

direct productC5×#21883

Subgroups

subgroupG/H
center, socleC22×C5C22×C22⋊C4
commutatorC23C23×C4×C5
Frattini, cosocleC22×C4C24×C5
prime radicalC24×C5C22×C4
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C5×#117 ◁ G

954 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 45
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 4 generators on 45 points:

(1,2,3,4,5)(7,10)(8,12)(14,15,19,23,18,22,32,39)(16,24,27,41,26,20,34,36)(17,28,31,40,30,21,33,38)(25,35,42,44,29,37,43,45);(6,7)(8,11)(9,10)(12,13)(14,16)(15,20)(17,29)(18,26)(19,27)(21,37)(22,24)(23,36)(25,30)(28,35)(31,43)(32,34)(33,42)(38,45)(39,41)(40,44);(7,10)(11,13)(14,17,18,30)(15,21,22,28)(16,25,26,29)(19,33,32,31)(20,35,24,37)(23,40,39,38)(27,43,34,42)(36,45,41,44);(6,8,9,12)(7,11,10,13)(15,22)(16,26)(21,28)(23,39)(25,29)(27,34)(38,40)(42,43)

Conjugacy classes & character table

230 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 14871);