Finite Group Databasebeta

C5×#85312 #14511050

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

Aliases

direct productC5×#85312

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×C22⋊Q8
LCSG ▷ C22×A4 ▷ A4
UCSC1 ◁ C22×C5 ◁ C5×C4⋊C4

674 conjugacy classes of subgroups; only the 92 normal subgroups are shown.

normal subgroups only

This group has 674 conjugacy classes of subgroups — too many to draw. Only its 92 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) = 21
transitive degreeμt(G) = 240

A minimal faithful permutation representation — 3 generators on 21 points:

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

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, 236748);