Finite Group Databasebeta

C7×D1413 #34089939

order19782
automorphism?
homologyAbelianization (H1) = C2×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×D1413
unambiguous semidirect productC9⋊(C7×D157)
unambiguous semidirect productC157⋊(C7×D9)

Splittings

Fitting, HallC7×C9×C157 ⋊ C2
derived, HallC9×C157 ⋊ C2×C7
HallC7×C157 ⋊ D9
SylowC157 ⋊ C7×D9
HallC7×C9 ⋊ D157
SylowC9 ⋊ C7×D157

Subgroups

subgroupG/H
center, hypercenterC7D1413
commutator, cosocle, hypocenterC9×C157C2×C7
FrattiniC3C7×D471
FittingC7×C9×C157C2
socleC3×C7×C157D3
LCSG ▷ C9×C157
UCSC1 ◁ C7

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9891

Conjugacy classes & character table

4956 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19782, 10);