Finite Group Databasebeta

C2×D2555 #23779374

order10220
automorphismAut(G) order 8830080
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD5110
direct productC2×D2555
unambiguous semidirect product(C2×C5)⋊D511
unambiguous semidirect product(C2×C7)⋊D365
unambiguous semidirect product(C2×C73)⋊D35

Splittings

Fitting, socleC2×C5×C7×C73 ⋊ C2
derived, HallC5×C7×C73 ⋊ C22
HallC7×C73 ⋊ C2×D5
HallC5×C73 ⋊ C2×D7
SylowC73 ⋊ C2×D35
HallC5×C7 ⋊ C2×D73
SylowC7 ⋊ C2×D365
SylowC5 ⋊ C2×D511

Subgroups

subgroupG/H
center, hypercenterC2D2555
commutator, cosocle, hypocenterC5×C7×C73C22
FrattiniC1G
Fitting, socleC2×C5×C7×C73C2
LCSG ▷ C5×C7×C73
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

2558 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×C5⋊#15690449, C2×C5⋊#15690450, C2×C5⋊(ΓL(1,𝔽8)⋊D73), …
maximal normal subgroup ofC2×C5⋊#15690449, C2×C5⋊#15690450, C2×C5⋊(ΓL(1,𝔽8)⋊D73), …
maximal quotient ofD3×D2555, C2×C3×D2555, C2×D7665, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(10220, 29);