Finite Group Databasebeta

C2×D45×C139 #38736213

order25020
automorphism?
homologyAbelianization (H1) = C22×C139 · Schur multiplier (H2) = C2

Aliases

direct productC2×D45×C139
unambiguous semidirect product(C2×C5)⋊(D9×C139)
unambiguous semidirect product(C2×C9)⋊(D5×C139)

Splittings

FittingC2×C5×C9×C139 ⋊ C2
derived, HallC5×C9 ⋊ C22×C139
HallC5×C9×C139 ⋊ C22
HallC9×C139 ⋊ C2×D5
HallC5×C139 ⋊ C2×D9
SylowC9 ⋊ C2×D5×C139
SylowC5 ⋊ C2×D9×C139

Subgroups

subgroupG/H
center, hypercenterC2×C139D45
commutator, cosocle, hypocenterC5×C9C22×C139
FrattiniC3C2×D15×C139
FittingC2×C5×C9×C139C2
socleC2×C3×C5×C139D3
LCSG ▷ C5×C9
UCSC1 ◁ C2×C139

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 12510

Conjugacy classes & character table

6672 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25020, 35);