Finite Group Databasebeta

C5×#18724 #11941444

order1280
nilpotency class3
isoclinismisoclinic class of #18712
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#18724

Subgroups

subgroupG/H
center, socleC22×C5C2×#120
commutator, Frattini, cosocleC42C24×C5
prime radicalC5×#3548C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

932 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)(8,16)(9,14)(10,13)(11,15)(12,18)(17,21)(19,20)(22,23,26,29)(24,30,31,37)(25,33,34,28)(27,35,36,32);(6,8,11,19)(7,12,15,21)(9,17,10,18)(13,20,14,16)(25,34)(28,33)(30,37)(32,35);(7,13)(9,10)(12,20)(14,15)(16,21)(17,18)(22,24)(23,27)(25,35)(26,31)(28,37)(29,36)(30,33)(32,34);(6,9,11,10)(7,13,15,14)(8,17,19,18)(12,20,21,16)

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 11712);