Finite Group Databasebeta

C2×C7×D685 #34062817

order19180
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productC2×C7×D685
unambiguous semidirect product(C2×C5)⋊(C7×D137)
unambiguous semidirect product(C2×C137)⋊(C7×D5)

Splittings

Fitting, socleC2×C5×C7×C137 ⋊ C2
derived, HallC5×C137 ⋊ C22×C7
HallC5×C7×C137 ⋊ C22
HallC7×C137 ⋊ C2×D5
SylowC137 ⋊ C2×C7×D5
HallC5×C7 ⋊ C2×D137
SylowC5 ⋊ C2×C7×D137

Subgroups

subgroupG/H
center, hypercenterC2×C7D685
commutator, cosocle, hypocenterC5×C137C22×C7
FrattiniC1G
Fitting, socleC2×C5×C7×C137C2
LCSG ▷ C5×C137
UCSC1 ◁ C2×C7

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9590

Conjugacy classes & character table

4816 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19180, 31);