Finite Group Databasebeta

C5×#85442 #14511180

order1920
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#85442

Splittings

FittingC22×C5×M16 ⋊ D3

Subgroups

subgroupG/H
centerC4×C5C22×S4
commutatorC2×A4C22×C4×C5
FrattiniC4C22×C5×S4
FittingC22×C5×M16D3
socleC23×C5C2×C4×D3
prime radicalC5×#5912C2
cosocleC4×A4C23×C5
hypercenterC5×M16S4
hypocenterA4C5×#131
LCSG ▷ C2×A4 ▷ A4
UCSC1 ◁ C4×C5 ◁ C5×M16

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

normal subgroups only

This group has 540 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) = 25
transitive degreeμt(G) = 240

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

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

Conjugacy classes & character table

250 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 236878);