Finite Group Databasebeta

D21×C547 #37525875

order22974
automorphism?
homologyAbelianization (H1) = C2×C547 · Schur multiplier (H2) = C1

Aliases

direct productD21×C547
unambiguous semidirect productC3⋊(D7×C547)
unambiguous semidirect productC7⋊(D3×C547)

Splittings

Fitting, socle, HallC3×C7×C547 ⋊ C2
derived, HallC3×C7 ⋊ C2×C547
HallC7×C547 ⋊ D3
HallC3×C547 ⋊ D7
SylowC7 ⋊ D3×C547
SylowC3 ⋊ D7×C547

Subgroups

subgroupG/H
center, hypercenterC547D21
commutator, cosocle, hypocenterC3×C7C2×C547
FrattiniC1G
Fitting, socleC3×C7×C547C2
LCSG ▷ C3×C7
UCSC1 ◁ C547

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 11487

Conjugacy classes & character table

6564 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(22974, 13);