Finite Group Databasebeta

C7×#944 #10621341

order672
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#944

Splittings

HallC3×C7 ⋊ C4⋊Q8
SylowC3 ⋊ C7×C4⋊Q8

Subgroups

subgroupG/H
centerC22×C7C22×D3
commutator, cosocleC22×C3C23×C7
FrattiniC22C22×D3×C7
FittingC2×C3×C7×Q8C2
socle, prime radicalC22×C3×C7C23
hypercenterC2×C7×Q8D3
hypocenterC3C7×C4⋊Q8
LCSG ▷ C22×C3 ▷ C3
UCSC1 ◁ C22×C7 ◁ C2×C7×Q8

136 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 672

A minimal faithful permutation representation — 3 generators on 22 points:

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

Conjugacy classes & character table

168 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13051044, C7×#4478, #13054598, …
maximal normal subgroup of#13051044, C7×#4478, #13054598, …
maximal quotient ofC7×#4973, C7×#4975, C7×#4976, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(672, 923);