Finite Group Databasebeta

C2×D1993 #22547540

order7972
automorphismAut(G) order 7940112
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD3986
direct productC2×D1993
unambiguous semidirect productC1993⋊C22
unambiguous semidirect product(C2×C1993)⋊C2

Splittings

Fitting, socleC2×C1993 ⋊ C2
derived, SylowC1993 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2D1993
commutator, hypocenterC1993C22
FrattiniC1G
Fitting, socleC2×C1993C2
LCSG ▷ C1993
UCSC1 ◁ C2

10 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

1996 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC4×D1993, C22⋊D1993, D7972, …
maximal normal subgroup ofC4×D1993, C22⋊D1993, D7972, …
maximal quotient ofC4×D1993, C2×Dic1993, C22⋊D1993, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7972, 4);