Finite Group Databasebeta

C5×#18139 #11940859

order1280
nilpotency class3
isoclinismisoclinic class of #18132
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#18139

Subgroups

subgroupG/H
center, socleC22×C5C2×#120
commutator, Frattini, cosocleC22×C4C24×C5
prime radicalC2×C5×#121C22
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C4×C5 ◁ G

962 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 320

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

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, 11127);