Finite Group Databasebeta

C5×#18485 #11941205

order1280
nilpotency class3
isoclinismisoclinic class of #1619
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#18485

Subgroups

subgroupG/H
centerC2×C4×C5#120
commutator, Frattini, cosocleC42C24×C5
socleC22×C5C2×#120
prime radicalC5×#3481C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C2×C42×C5 ◁ G

996 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)(24,30,31,37)(25,33,34,28)(27,35,36,32);(6,8)(7,12)(9,16)(10,19)(11,17)(13,20)(14,21)(15,18)(25,34)(28,33)(30,37)(32,35);(22,24)(23,27)(25,35)(26,31)(28,37)(29,36)(30,33)(32,34);(6,9,11,10)(7,13,14,18)(8,16,17,19)(12,20,21,15)

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, 11473);