Finite Group Databasebeta

C7×#4028 #11765127

order1120
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C24

Aliases

direct productC7×#4028

Splittings

FittingC5×C7×C22⋊C4 ⋊ C2
HallC5×C7 ⋊ #120
SylowC5 ⋊ C7×#120

Subgroups

subgroupG/H
centerC22×C7C22×D5
commutator, cosocleC22×C5C23×C7
FrattiniC22C22×C7×D5
FittingC5×C7×C22⋊C4C2
socleC22×C5×C7C23
hypercenterC7×C22⋊C4D5
hypocenterC5C7×#120
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C22×C7 ◁ C7×C22⋊C4

260 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 260 conjugacy classes of subgroups — too many to draw. Only its 74 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 — 3 generators on 20 points:

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

Conjugacy classes & character table

238 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofΓL(1,𝔽8)×#4028, C7×D5×#120, D7×#4028, …
maximal normal subgroup ofΓL(1,𝔽8)×#4028, C7×D5×#120, D7×#4028, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1120, 733);