Finite Group Databasebeta

D7⋊C9×D91 #37524459

order22932
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

direct productD7⋊C9×D91
unambiguous semidirect productD7⋊(C9×D91)
unambiguous semidirect product(C7×D7⋊C9)⋊D13
unambiguous semidirect product(C13×D7⋊C9)⋊D7

Splittings

derived, HallC72×C13 ⋊ C22×C9
HallC7×C13×C7⋊C9 ⋊ C22
HallD7×D91 ⋊ C9
HallC7×C7⋊C9 ⋊ C2×D13
SylowC72 ⋊ C2×C9×D13
SylowC13 ⋊ D7×D7⋊C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3AGL(1,𝔽7)×D91
commutator, hypocenterC72×C13C22×C9
Fitting, socle, cosocleC3×C72×C13C22×C3
prime radicalC3×D7×D91C3
LCSG ▷ C72×C13
UCSC1 ◁ C3

128 conjugacy classes of subgroups; only the 43 normal subgroups are shown.

normal subgroups only

This group has 128 conjugacy classes of subgroups — too many to draw. Only its 43 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1638

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(22932, 404);