Finite Group Databasebeta

C7×D120 #13132340

order1680
isoclinismisoclinic class of #6706
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×D120

Splittings

FittingC3×C5×C7×C8 ⋊ C2
HallC3×C5×C7 ⋊ D8
HallC5×C7 ⋊ D24
HallC3×C7 ⋊ D40
HallC3×C5 ⋊ C7×D8
SylowC5 ⋊ C7×D24
SylowC3 ⋊ C7×D40

Subgroups

subgroupG/H
centerC2×C7D60
commutator, cosocleC3×C4×C5C22×C7
FrattiniC4C2×C7×D15
FittingC3×C5×C7×C8C2
socleC2×C3×C5×C7D4
hypercenterC7×C8D15
hypocenterC3×C5C7×D8
LCSG ▷ C3×C4×C5 ▷ C2×C3×C5 ▷ C3×C5
UCSC1 ◁ C2×C7 ◁ C4×C7 ◁ C7×C8

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)(8,9,10,11,12,13,14,15)(16,17,18)(19,20,21,22,23);(9,15)(10,14)(11,13)(17,18)(20,23)(21,22)

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1680, 360);