Finite Group Databasebeta

C22×D1997 #30630440

order15976
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

direct productC22×D1997
unambiguous semidirect productC1997⋊C23
unambiguous semidirect product(C2×C1997)⋊C22

Splittings

Fitting, socleC22×C1997 ⋊ C2
derived, SylowC1997 ⋊ C23

Subgroups

subgroupG/H
center, hypercenterC22D1997
commutator, cosocle, hypocenterC1997C23
FrattiniC1G
Fitting, socleC22×C1997C2
LCSG ▷ C1997
UCSC1 ◁ C22

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7988

Conjugacy classes & character table

4000 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#44544113, C2×C4×D1997, D4×D1997, …
maximal normal subgroup of#44544113, C2×C4×D1997, D4×D1997, …
maximal quotient ofC2×C4×D1997, C22×Dic1997, D4×D1997, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15976, 12);