Finite Group Databasebeta

C7×C3⋊D519 #36345480

order21798
automorphism?
homologyAbelianization (H1) = C2×C7 · Schur multiplier (H2) = C3

Aliases

direct productC7×C3⋊D519
unambiguous semidirect productC3⋊(C7×D519)
unambiguous semidirect productC173⋊(C7×C3⋊D3)

Splittings

Fitting, socle, HallC32×C7×C173 ⋊ C2
derived, HallC32×C173 ⋊ C2×C7
HallC7×C173 ⋊ C3⋊D3
SylowC173 ⋊ C7×C3⋊D3
HallC32×C7 ⋊ D173
SylowC32 ⋊ C7×D173

Subgroups

subgroupG/H
center, hypercenterC7C3⋊D519
commutator, cosocle, hypocenterC32×C173C2×C7
FrattiniC1G
Fitting, socleC32×C7×C173C2
LCSG ▷ C32×C173
UCSC1 ◁ C7

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 10899

Conjugacy classes & character table

5460 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21798, 30);