Finite Group Databasebeta

C7×#6715 #13132348

order1680
isoclinismisoclinic class of #6715
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×#6715

Splittings

FittingC3×C5×C7×D4 ⋊ C2
HallC3×C5×C7 ⋊ D8
HallC5×C7 ⋊ #213
HallC3×C7 ⋊ #686
HallC3×C5 ⋊ C7×D8
SylowC5 ⋊ C7×#213
SylowC3 ⋊ C7×#686

Subgroups

subgroupG/H
centerC2×C7#1220
commutator, cosocleC3×C4×C5C22×C7
FrattiniC4C2×C7×D15
FittingC3×C5×C7×D4C2
socleC2×C3×C5×C7D4
hypercenterC7×D4D15
hypocenterC3×C5C7×D8
LCSG ▷ C3×C4×C5 ▷ C2×C3×C5 ▷ C3×C5
UCSC1 ◁ C2×C7 ◁ C4×C7 ◁ C7×D4

88 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 23
transitive degreeμt(G) = 840

A minimal faithful permutation representation — 2 generators on 23 points:

(1,2,3,4,5,6,7)(8,9,11,12,10)(13,14,15)(17,20)(18,23)(21,22);(9,10)(11,12)(14,15)(16,17)(18,20)(19,22)(21,23)

Conjugacy classes & character table

294 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1680, 368);