Finite Group Databasebeta

C5×#6380 #11764477

order1120
automorphism?
homologyAbelianization (H1) = C2×C4×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#6380

Splittings

FittingC5×C7×C22⋊C4 ⋊ C2
HallC5×C7 ⋊ #99
SylowC7 ⋊ C5×#99

Subgroups

subgroupG/H
centerC2×C5(C2×D7)⋊C4
commutatorC22×C7C2×C4×C5
FrattiniC23C2×C5×D7
FittingC5×C7×C22⋊C4C2
socleC2×C5×C7C22⋊C4
prime radicalC2×C5×C22⋊D7C2
cosocleC23×C7C22×C5
hypercenterC5×C22⋊C4D7
hypocenterC7C5×#99
LCSG ▷ C22×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C5 ◁ C23×C5 ◁ C5×C22⋊C4

104 conjugacy classes of subgroups; only the 38 normal subgroups are shown.

normal subgroups only

This group has 104 conjugacy classes of subgroups — too many to draw. Only its 38 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) = 280

A minimal faithful permutation representation — 2 generators on 20 points:

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

Conjugacy classes & character table

205 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1120, 83);