Finite Group Databasebeta

C2×C7×D5×C139 #34085651

order19460
automorphism?
homologyAbelianization (H1) = C22×C7×C139 · Schur multiplier (H2) = C2

Aliases

direct productC2×C7×D5×C139
unambiguous semidirect productC5⋊(C22×C7×C139)
unambiguous semidirect product(C2×C5)⋊(C2×C7×C139)

Splittings

Fitting, socleC2×C5×C7×C139 ⋊ C2
derived, SylowC5 ⋊ C22×C7×C139
HallC5×C7×C139 ⋊ C22
HallC5×C139 ⋊ C22×C7
HallC5×C7 ⋊ C22×C139

Subgroups

subgroupG/H
center, hypercenterC2×C7×C139D5
commutator, cosocle, hypocenterC5C22×C7×C139
FrattiniC1G
Fitting, socleC2×C5×C7×C139C2
LCSG ▷ C5
UCSC1 ◁ C2×C7×C139

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9730

Conjugacy classes & character table

7784 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19460, 24);