Finite Group Databasebeta

C3×D21×C157 #34089996

order19782
automorphism?
homologyAbelianization (H1) = C2×C3×C157 · Schur multiplier (H2) = C1

Aliases

direct productC3×D21×C157
unambiguous semidirect productC3⋊(C3×D7×C157)

Splittings

Fitting, socle, HallC32×C7×C157 ⋊ C2
derivedC3×C7 ⋊ C2×C3×C157
HallC32×C157 ⋊ D7
HallC7×C157 ⋊ C3×D3
HallC32×C7 ⋊ C2×C157
SylowC32 ⋊ D7×C157
SylowC7 ⋊ C3×D3×C157

Subgroups

subgroupG/H
center, hypercenterC3×C157D21
commutator, cosocle, hypocenterC3×C7C2×C3×C157
FrattiniC1G
Fitting, socleC32×C7×C157C2
LCSG ▷ C3×C7
UCSC1 ◁ C3×C157

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6594

Conjugacy classes & character table

5652 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19782, 67);