Finite Group Databasebeta

C5×#6447 #11765043

order1120
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#6447

Splittings

FittingC5×C7×C22⋊C4 ⋊ C2
HallC5×C7 ⋊ #121
SylowC7 ⋊ C5×#121

Subgroups

subgroupG/H
centerC22×C5C22×D7
commutator, cosocleC22×C7C23×C5
FrattiniC22C22×C5×D7
FittingC5×C7×C22⋊C4C2
socleC22×C5×C7C23
hypercenterC5×C22⋊C4D7
hypocenterC7C5×#121
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C22×C5 ◁ C5×C22⋊C4

188 conjugacy classes of subgroups; only the 66 normal subgroups are shown.

normal subgroups only

This group has 188 conjugacy classes of subgroups — too many to draw. Only its 66 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) = 20
transitive degreeμt(G) = 560

A minimal faithful permutation representation — 3 generators on 20 points:

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

Conjugacy classes & character table

220 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1120, 649);