Finite Group Databasebeta

C5×#24369 #11947089

order1280
nilpotency class3
isoclinismisoclinic class of #23860
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C26

Aliases

direct productC5×#24369

Subgroups

subgroupG/H
center, socleC23×C5C22×D4
commutator, Frattini, cosocleC22×C4C24×C5
prime radicalC22×C5×#41C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C4×C5×C22⋊C4 ◁ G

1388 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 29
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 4 generators on 29 points:

(1,2,3,4,5)(6,7)(8,9)(10,11,12,13)(16,22)(19,28)(23,29)(24,27);(7,9)(14,15,17,20)(16,23,22,29)(18,26,25,21)(19,27,28,24);(11,13)(14,16)(15,19)(17,22)(18,27)(20,28)(21,29)(23,26)(24,25);(7,9)(16,22)(19,28)(23,29)(24,27)

Conjugacy classes & character table

230 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 17357);