Finite Group Databasebeta

C5×#18468 #11941188

order1280
nilpotency class3
isoclinismisoclinic class of #18446
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#18468

Subgroups

subgroupG/H
center, socleC22×C5C2×#120
commutator, Frattini, cosocleC22×C4C24×C5
prime radicalC5×#3559C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

870 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 53
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 4 generators on 53 points:

(1,2,3,4,5)(6,7)(8,12)(9,11)(10,13)(14,17)(15,20)(16,18)(19,21)(22,23,27,31)(24,28,34,41)(25,29,36,43)(26,37,38,30)(32,44,46,39)(33,47,48,40)(35,49,50,42)(45,51,53,52);(7,11)(9,17)(12,18)(13,14)(16,21)(19,20)(22,24)(23,28)(25,32)(26,33)(27,34)(29,39)(30,40)(31,41)(35,45)(36,46)(37,47)(38,48)(42,51)(43,44)(49,52)(50,53);(6,8,10,15)(7,12,13,20)(9,16,17,21)(11,18,14,19)(22,25)(23,29)(24,32)(26,35)(27,36)(28,39)(30,42)(31,43)(33,45)(34,46)(37,49)(38,50)(40,51)(41,44)(47,52)(48,53);(7,13)(8,15)(11,14)(16,21)(22,26,27,38)(23,30,31,37)(24,33,34,48)(25,35,36,50)(28,40,41,47)(29,42,43,49)(32,45,46,53)(39,51,44,52)

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 11456);