Finite Group Databasebeta

C5×#17689 #11940409

order1280
nilpotency class3
isoclinismisoclinic class of #17603
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#17689

Subgroups

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

876 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)(6,7,9,13,10,12,18,20)(8,14,15,21,16,11,17,19)(23,27,29,32)(28,34,35,37);(6,8,10,16)(7,11,12,14)(9,17,18,15)(13,21,20,19)(22,23)(24,28)(25,32)(26,29)(27,33)(30,35)(31,37)(34,36);(22,24)(23,28)(25,31)(26,30)(27,34)(29,35)(32,37)(33,36);(24,30)(28,35)(31,36)(34,37)

Conjugacy classes & character table

260 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 10677);