Finite Group Databasebeta

D7×D9×C121 #44478798

order30492
automorphism?
homologyAbelianization (H1) = C22×C121 · Schur multiplier (H2) = C2

Aliases

direct productD7×D9×C121
unambiguous semidirect product(C7×D9)⋊(C2×C121)
unambiguous semidirect product(C9×D7)⋊(C2×C121)
unambiguous semidirect productD63⋊(C2×C121)

Splittings

Fitting, HallC7×C9×C121 ⋊ C22
derived, HallC7×C9 ⋊ C22×C121
HallC9×C121 ⋊ C2×D7
HallC7×C121 ⋊ C2×D9
SylowC9 ⋊ C2×D7×C121
SylowC7 ⋊ C2×D9×C121

Subgroups

subgroupG/H
center, hypercenterC121D7×D9
commutator, hypocenterC7×C9C22×C121
FrattiniC3×C11D3×C11×D7
FittingC7×C9×C121C22
socleC3×C7×C11C2×D3×C11
prime radicalC11×D7×D9C11
cosocleC7×C9×C11C22×C11
LCSG ▷ C7×C9
UCSC1 ◁ C121

90 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7623

Conjugacy classes & character table

3630 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30492, 21);