Finite Group Databasebeta

C5×#20728 #11943448

order1280
nilpotency class3
isoclinismisoclinic class of #1462
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C24×C4

Aliases

direct productC5×#20728

Subgroups

subgroupG/H
centerC2×C4×C5C2×C22⋊C4
commutatorC23C23×C4×C5
Frattini, cosocleC22×C4C24×C5
socleC22×C5C22×C22⋊C4
prime radicalC22×C5×#41C22
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C22×C42×C5 ◁ G

1294 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 29
transitive degreeμt(G) = 320

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

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

Conjugacy classes & character table

320 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 13716);