Finite Group Databasebeta

C5×#19035 #11941755

order1280
nilpotency class3
isoclinismisoclinic class of #19014
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#19035

Subgroups

subgroupG/H
center, socleC22×C5C2×#120
commutator, Frattini, cosocleC42C24×C5
prime radicalC5×#121D4
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

824 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)(12,20)(13,17)(14,18)(19,21)(22,23,27,24)(25,32,33,37)(26,31,36,29)(28,35,30,34);(6,7,10,13)(8,12,15,21)(9,17,16,11)(14,19,18,20)(22,24,27,23)(25,30,33,28)(26,29,36,31)(32,35,37,34);(6,8,10,15)(7,12,13,21)(9,18,16,14)(11,19,17,20)(22,25)(23,28)(24,30)(26,35)(27,33)(29,37)(31,32)(34,36);(7,13)(11,17)(12,21)(19,20)

Conjugacy classes & character table

185 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 12023);