Finite Group Databasebeta

C2×D2121 #22555099

order8484
automorphismAut(G) order 5090400
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD4242
direct productC2×D2121
unambiguous semidirect product(C2×C3)⋊D707
unambiguous semidirect product(C2×C7)⋊D303
unambiguous semidirect product(C2×C101)⋊D21

Splittings

Fitting, socleC2×C3×C7×C101 ⋊ C2
derived, HallC3×C7×C101 ⋊ C22
HallC7×C101 ⋊ C2×D3
HallC3×C101 ⋊ C2×D7
SylowC101 ⋊ C2×D21
HallC3×C7 ⋊ C2×D101
SylowC7 ⋊ C2×D303
SylowC3 ⋊ C2×D707

Subgroups

subgroupG/H
center, hypercenterC2D2121
commutator, hypocenterC3×C7×C101C22
FrattiniC1G
Fitting, socleC2×C3×C7×C101C2
LCSG ▷ C3×C7×C101
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

2124 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×D6363, C2×C3⋊(ΓL(1,𝔽8)⋊D101), D3×D2121, …
maximal normal subgroup ofC2×C3⋊(ΓL(1,𝔽8)⋊D101), C2×C3×D2121, D8484
maximal quotient ofC2×D6363, D3×D2121, C2×C3×D2121, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8484, 34);