Finite Group Databasebeta

C7×#6821 #13132887

order1680
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#6821

Splittings

FittingC3×C5×C7×Q8 ⋊ C2
HallC3×C5×C7 ⋊ #41
HallC5×C7 ⋊ #239
HallC3×C7 ⋊ #713
HallC3×C5 ⋊ C7×#41
SylowC5 ⋊ C7×#239
SylowC3 ⋊ C7×#713

Subgroups

subgroupG/H
centerC2×C7C22×D15
commutator, cosocleC2×C3×C5C23×C7
FrattiniC2C22×C7×D15
FittingC3×C5×C7×Q8C2
socleC2×C3×C5×C7C23
hypercenterC7×Q8D15
hypocenterC3×C5C7×#41
LCSG ▷ C2×C3×C5 ▷ C3×C5
UCSC1 ◁ C2×C7 ◁ C7×Q8

160 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 23 points:

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

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1680, 907);