Finite Group Databasebeta

C2×D1921 #21440232

order7684
automorphismAut(G) order 6884864
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD3842
direct productC2×D1921
unambiguous semidirect product(C2×C17)⋊D113
unambiguous semidirect product(C2×C113)⋊D17

Splittings

Fitting, socleC2×C17×C113 ⋊ C2
derived, HallC17×C113 ⋊ C22
SylowC113 ⋊ C2×D17
SylowC17 ⋊ C2×D113

Subgroups

subgroupG/H
center, hypercenterC2D1921
commutator, hypocenterC17×C113C22
FrattiniC1G
Fitting, socleC2×C17×C113C2
LCSG ▷ C17×C113
UCSC1 ◁ C2

20 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

1924 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD3×D1921, C2×C3×D1921, C2×D5763, …
maximal normal subgroup ofC2×C3×D1921, C2×C5×D1921, D7684
maximal quotient ofD3×D1921, C2×C3×D1921, C2×D5763, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7684, 13);