Finite Group Databasebeta

C2×D1089 #17983683

order4356
automorphismAut(G) order 1437480
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD2178
direct productC2×D1089
unambiguous semidirect product(C2×C9)⋊D121
unambiguous semidirect product(C2×C121)⋊D9

Splittings

FittingC2×C9×C121 ⋊ C2
derived, HallC9×C121 ⋊ C22
SylowC121 ⋊ C2×D9
SylowC9 ⋊ C2×D121

Subgroups

subgroupG/H
center, hypercenterC2D1089
commutator, cosocle, hypocenterC9×C121C22
FrattiniC3×C11C2×D33
FittingC2×C9×C121C2
socleC2×C3×C11D33
LCSG ▷ C9×C121
UCSC1 ◁ C2

45 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2178

Conjugacy classes & character table

1092 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×C9⋊(D121⋊C5), D5×D1089, C2×C5×D1089, …
maximal normal subgroup ofC2×C9⋊(D121⋊C5), C2×C5×D1089, C2×C7×D1089, …
maximal quotient ofD5×D1089, C2×C5×D1089, C2×D5445, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4356, 10);