Finite Group Databasebeta

C7×D1671 #37552692

order23394
automorphism?
homologyAbelianization (H1) = C2×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×D1671
unambiguous semidirect productC3⋊(C7×D557)
unambiguous semidirect productC557⋊(D3×C7)

Splittings

Fitting, socle, HallC3×C7×C557 ⋊ C2
derived, HallC3×C557 ⋊ C2×C7
HallC7×C557 ⋊ D3
SylowC557 ⋊ D3×C7
HallC3×C7 ⋊ D557
SylowC3 ⋊ C7×D557

Subgroups

subgroupG/H
center, hypercenterC7D1671
commutator, cosocle, hypocenterC3×C557C2×C7
FrattiniC1G
Fitting, socleC3×C7×C557C2
LCSG ▷ C3×C557
UCSC1 ◁ C7

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 11697

Conjugacy classes & character table

5859 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23394, 7);