Finite Group Databasebeta

D7⋊C9×D95 #37560951

order23940
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

direct productD7⋊C9×D95
unambiguous semidirect productD7⋊(C9×D95)
unambiguous semidirect product(C5×D7⋊C9)⋊D19
unambiguous semidirect product(C19×D7⋊C9)⋊D5

Splittings

derived, HallC5×C7×C19 ⋊ C22×C9
HallC5×C19×C7⋊C9 ⋊ C22
HallD7×D95 ⋊ C9
HallC19×C7⋊C9 ⋊ C2×D5
HallC5×C7⋊C9 ⋊ C2×D19
HallC7×C19 ⋊ C2×C9×D5
HallC5×C19 ⋊ C2×D7⋊C9
HallC7⋊C9 ⋊ C2×D95
HallC5×C7 ⋊ C2×C9×D19
SylowC19 ⋊ D5×D7⋊C9
SylowC7 ⋊ C2×C9×D95
SylowC5 ⋊ D19×D7⋊C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3AGL(1,𝔽7)×D95
commutator, hypocenterC5×C7×C19C22×C9
Fitting, socle, cosocleC3×C5×C7×C19C22×C3
prime radicalC3×D7×D95C3
LCSG ▷ C5×C7×C19
UCSC1 ◁ C3

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

normal subgroups only

This group has 120 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) = 5985

Conjugacy classes & character table

1029 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23940, 83);