Finite Group Databasebeta

C5×#18535 #11941255

order1280
nilpotency class3
isoclinismisoclinic class of #18524
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#18535

Subgroups

subgroupG/H
center, socleC22×C5C2×#120
commutator, Frattini, cosocleC42C24×C5
prime radicalC5×#532C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

908 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 4 generators on 37 points:

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

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 11523);