Finite Group Databasebeta

C5×#17725 #11940445

order1280
nilpotency class3
isoclinismisoclinic class of #17547
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#17725

Subgroups

subgroupG/H
center, socleC22×C5C22×C22⋊C4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC42C24×C5
prime radicalC2×C5×#41D4
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C4×C5×#41 ◁ G

884 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)(7,11)(9,16)(12,18)(13,17)(15,20)(19,21)(22,23,26,30,27,31,25,29)(24,32,33,28,35,36,34,37);(6,7,10,13)(8,12,14,19)(9,17,16,11)(15,21,20,18)(22,24)(23,28)(25,33)(26,34)(27,35)(29,36)(30,32)(31,37);(6,8,10,14)(7,12,13,19)(9,15,16,20)(11,18,17,21)(22,25,27,26)(23,29,31,30)(24,33,35,34)(28,36,37,32);(8,14)(12,19)(15,20)(18,21)

Conjugacy classes & character table

305 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 10713);