Finite Group Databasebeta

C2×D1557 #20261995

order6228
automorphismAut(G) order 3213648
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD3114
direct productC2×D1557
unambiguous semidirect product(C2×C9)⋊D173
unambiguous semidirect product(C2×C173)⋊D9

Splittings

FittingC2×C9×C173 ⋊ C2
derived, HallC9×C173 ⋊ C22
SylowC173 ⋊ C2×D9
SylowC9 ⋊ C2×D173

Subgroups

subgroupG/H
center, hypercenterC2D1557
commutator, hypocenterC9×C173C22
FrattiniC3C2×D519
FittingC2×C9×C173C2
socleC2×C3×C173D3
LCSG ▷ C9×C173
UCSC1 ◁ C2

30 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

1560 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD5×D1557, C2×D7785, C2×C5×D1557, …
maximal normal subgroup ofC2×C5×D1557, D6228
maximal quotient ofD5×D1557, C2×D7785, C2×C5×D1557, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(6228, 10);