Finite Group Databasebeta

C5×#85313 #14511051

order1920
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#85313

Splittings

FittingC22×C5×C4⋊C4 ⋊ D3

Subgroups

subgroupG/H
centerC22×C5C22×S4
commutator, cosocleC22×A4C23×C5
FrattiniC22C22×C5×S4
FittingC22×C5×C4⋊C4D3
socleC24×C5C22×D3
prime radicalC22×C5×S4C22
hypercenterC5×C4⋊C4S4
hypocenterA4C5×#126
LCSG ▷ C22×A4 ▷ A4
UCSC1 ◁ C22×C5 ◁ C5×C4⋊C4

544 conjugacy classes of subgroups; only the 76 normal subgroups are shown.

normal subgroups only

This group has 544 conjugacy classes of subgroups — too many to draw. Only its 76 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 240

A minimal faithful permutation representation — 3 generators on 25 points:

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

Conjugacy classes & character table

190 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 236749);