Finite Group Databasebeta

C5×#23914 #11946634

order1280
nilpotency class3
isoclinismisoclinic class of #23912
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C27

Aliases

direct productC5×#23914

Subgroups

subgroupG/H
center, socleC22×C5C2×#120
commutator, Frattini, cosocleC22×C4C24×C5
prime radicalC5×#3485C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C4×C5 ◁ G

1706 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 41
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 4 generators on 41 points:

(1,2,3,4,5)(10,11,15,19)(12,16,21,31)(13,23,24,35)(14,26,29,18)(17,28,33,25)(20,36,37,40)(22,34,27,32)(30,39,41,38);(6,7)(8,9)(10,12,15,21)(11,16,19,31)(13,20,24,37)(14,27,29,22)(17,30,33,41)(18,34,26,32)(23,40,35,36)(25,39,28,38);(7,9)(10,13)(11,17)(12,20)(14,28)(15,24)(16,30)(18,35)(19,33)(21,37)(22,39)(23,26)(25,29)(27,38)(31,41)(32,40)(34,36);(12,21)(14,29)(16,31)(18,26)(20,37)(23,35)(25,28)(30,41)

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, 16902);