Finite Group Databasebeta

C79×C22⋊(C7⋊C9) #34092594

order19908
automorphism?
homologyAbelianization (H1) = C9×C79 · Schur multiplier (H2) = C2

Aliases

direct productC79×C22⋊(C7⋊C9)
unambiguous semidirect productC22⋊(C7⋊C9×C79)
unambiguous semidirect productC7⋊(C22⋊C9×C79)

Splittings

derived, HallC22×C7 ⋊ C9×C79
HallC22×C7×C79 ⋊ C9
HallC7×C79 ⋊ C22⋊C9
HallC22×C79 ⋊ C7⋊C9
SylowC7 ⋊ C22⋊C9×C79
SylowC22 ⋊ C7⋊C9×C79

Subgroups

subgroupG/H
center, hypercenterC3×C79C22⋊ΓL(1,𝔽8)
commutator, hypocenterC22×C7C9×C79
FrattiniC3C79×C22⋊ΓL(1,𝔽8)
Fitting, socle, prime radicalC22×C3×C7×C79C3
cosocleC22×C3×C7C3×C79
LCSG ▷ C22×C7
UCSC1 ◁ C3×C79

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9954

Conjugacy classes & character table

2844 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19908, 55);