Finite Group Databasebeta

C2×D1981 #21463709

order7924
automorphismAut(G) order 6703704
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD3962
direct productC2×D1981
unambiguous semidirect product(C2×C7)⋊D283
unambiguous semidirect product(C2×C283)⋊D7

Splittings

Fitting, socleC2×C7×C283 ⋊ C2
derived, HallC7×C283 ⋊ C22
SylowC283 ⋊ C2×D7
SylowC7 ⋊ C2×D283

Subgroups

subgroupG/H
center, hypercenterC2D1981
commutator, hypocenterC7×C283C22
FrattiniC1G
Fitting, socleC2×C7×C283C2
LCSG ▷ C7×C283
UCSC1 ◁ C2

20 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

1984 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×#26045229, C2×#26045228, C2×ΓL(1,𝔽8)⋊D283, …
maximal normal subgroup ofC2×#26045229, C2×#26045228, C2×ΓL(1,𝔽8)⋊D283, …
maximal quotient ofD3×D1981, C2×C3×D1981, C2×D5943, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7924, 7);