Finite Group Databasebeta

C5×#19005 #11941725

order1280
nilpotency class3
isoclinismisoclinic class of #18992
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#19005

Subgroups

subgroupG/H
center, socleC22×C5C2×#120
commutator, Frattini, cosocleC42C24×C5
prime radicalC5×#3531C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

820 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 53
transitive degreeμt(G) = 640

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

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

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, 11993);