Finite Group Databasebeta

D7⋊C9×D101 #38764121

order25452
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

direct productD7⋊C9×D101
unambiguous semidirect productD7⋊(C9×D101)
unambiguous semidirect product(D7×D101)⋊C9
unambiguous semidirect product(C7⋊C9×D101)⋊C2
unambiguous semidirect product(C101×D7⋊C9)⋊C2
unambiguous semidirect product((C7⋊C9)⋊D101)⋊C2

Splittings

derived, HallC7×C101 ⋊ C22×C9
HallC7⋊C9×C101 ⋊ C22
HallD7×D101 ⋊ C9
SylowC101 ⋊ C2×D7⋊C9
HallC7⋊C9 ⋊ C2×D101
SylowC7 ⋊ C2×C9×D101

Subgroups

subgroupG/H
center, Frattini, hypercenterC3AGL(1,𝔽7)×D101
commutator, hypocenterC7×C101C22×C9
Fitting, socle, cosocleC3×C7×C101C22×C3
prime radicalC3×D7×D101C3
LCSG ▷ C7×C101
UCSC1 ◁ C3

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6363

Conjugacy classes & character table

1092 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25452, 15);