Finite Group Databasebeta

D21×C797 #45691052

order33474
automorphism?
homologyAbelianization (H1) = C2×C797 · Schur multiplier (H2) = C1

Aliases

direct productD21×C797
unambiguous semidirect productC3⋊(D7×C797)
unambiguous semidirect productC7⋊(D3×C797)

Splittings

Fitting, socle, HallC3×C7×C797 ⋊ C2
derived, HallC3×C7 ⋊ C2×C797
HallC7×C797 ⋊ D3
HallC3×C797 ⋊ D7
SylowC7 ⋊ D3×C797
SylowC3 ⋊ D7×C797

Subgroups

subgroupG/H
center, hypercenterC797D21
commutator, cosocle, hypocenterC3×C7C2×C797
FrattiniC1G
Fitting, socleC3×C7×C797C2
LCSG ▷ C3×C7
UCSC1 ◁ C797

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 16737

Conjugacy classes & character table

9564 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(33474, 8);