Finite Group Databasebeta

C7×#884 #10621281

order672
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C23

Aliases

direct productC7×#884

Splittings

FittingC3×C7×C22⋊C4 ⋊ C2
HallC3×C7 ⋊ #121
SylowC3 ⋊ C7×#121

Subgroups

subgroupG/H
centerC22×C7C22×D3
commutator, cosocleC22×C3C23×C7
FrattiniC22C22×D3×C7
FittingC3×C7×C22⋊C4C2
socleC22×C3×C7C23
hypercenterC7×C22⋊C4D3
hypocenterC3C7×#121
LCSG ▷ C22×C3 ▷ C3
UCSC1 ◁ C22×C7 ◁ C7×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) = 18
transitive degreeμt(G) = 336

A minimal faithful permutation representation — 3 generators on 18 points:

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

Conjugacy classes & character table

168 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13058017, #13058019, #13058025, …
maximal normal subgroup of#13058017, #13058019, #13058025, …
maximal quotient ofC7×#4667, C7×#4647, C7×#4657, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(672, 863);