Finite Group Databasebeta

C5×#26946 #11949666

order1280
nilpotency class3
isoclinismisoclinic class of #23860
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#26946

Subgroups

subgroupG/H
center, socleC23×C5C22×D4
commutator, Frattini, cosocleC22×C4C24×C5
prime radicalC2×C5×#121C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C4×C5×C22⋊C4 ◁ G

906 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 33
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 4 generators on 33 points:

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

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, 19934);