Finite Group Databasebeta

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C2×C7×D79⋊C9 #34092569

order19908
automorphism?
homologyAbelianization (H1) = C22×C7×C9 · Schur multiplier (H2) = C2

Aliases

direct productC2×C7×D79⋊C9
unambiguous semidirect productD79⋊(C2×C7×C9)
unambiguous semidirect product(C2×D79)⋊(C7×C9)
unambiguous semidirect product(C79⋊C9)⋊(C22×C7)
unambiguous semidirect product(C2×C79⋊C9)⋊(C2×C7)

Splittings

derived, SylowC79 ⋊ C22×C7×C9
HallC7×C79⋊C9 ⋊ C22
HallC2×C7×D79 ⋊ C9
HallC79⋊C9 ⋊ C22×C7
HallC7×C79 ⋊ C22×C9
HallC2×D79 ⋊ C7×C9

Subgroups

subgroupG/H
center, hypercenterC2×C3×C7D79⋊C3
commutator, hypocenterC79C22×C7×C9
FrattiniC3C2×C7×D79⋊C3
Fitting, socleC2×C3×C7×C79C2×C3
prime radicalC2×C3×C7×D79C3
cosocleC3×C79C22×C3×C7
LCSG ▷ C79
UCSC1 ◁ C2×C3×C7

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9954

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19908, 30);