Finite Group Databasebeta

C7×Dic9×C79 #34092548

order19908
automorphism?
homologyAbelianization (H1) = C4×C7×C79 · Schur multiplier (H2) = C1

Aliases

direct productC7×Dic9×C79
unambiguous semidirect productC9⋊(C4×C7×C79)

Splittings

derived, SylowC9 ⋊ C4×C7×C79
HallC7×C9×C79 ⋊ C4
HallC9×C79 ⋊ C4×C7
HallC7×C9 ⋊ C4×C79

Subgroups

subgroupG/H
center, hypercenterC2×C7×C79D9
commutator, hypocenterC9C4×C7×C79
FrattiniC2×C3D3×C7×C79
FittingC2×C7×C9×C79C2
socle, prime radicalC2×C3×C7×C79D3
cosocleC2×C9C2×C7×C79
LCSG ▷ C9
UCSC1 ◁ C2×C7×C79

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 19908

Conjugacy classes & character table

6636 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19908, 9);