Finite Group Databasebeta

C7⋊C9×Dic121 #44478779

order30492
automorphism?
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C1

Aliases

direct productC7⋊C9×Dic121
unambiguous semidirect productC121⋊(C4×C7⋊C9)
unambiguous semidirect product(C7×Dic121)⋊C9

Splittings

derived, HallC7×C121 ⋊ C4×C9
HallC7⋊C9×C121 ⋊ C4
HallC7×Dic121 ⋊ C9
SylowC121 ⋊ C4×C7⋊C9
SylowC7 ⋊ C9×Dic121

Subgroups

subgroupG/H
center, hypercenterC2×C3ΓL(1,𝔽8)×D121
commutator, hypocenterC7×C121C4×C9
FrattiniC2×C3×C11ΓL(1,𝔽8)×D11
Fitting, cosocleC2×C3×C7×C121C2×C3
socle, prime radicalC2×C3×C7×C11C3×D11
LCSG ▷ C7×C121
UCSC1 ◁ C2×C3

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 30492

Conjugacy classes & character table

1860 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30492, 2);