Finite Group Databasebeta

C2×C7×C19×D7⋊C9 #45691607

order33516
automorphism?
homologyAbelianization (H1) = C22×C7×C9×C19 · Schur multiplier (H2) = C2

Aliases

direct productC2×C7×C19×D7⋊C9
unambiguous semidirect productD7⋊(C2×C7×C9×C19)
unambiguous semidirect product(C2×D7)⋊(C7×C9×C19)
unambiguous semidirect product(C7⋊C9)⋊(C22×C7×C19)
unambiguous semidirect product(C2×C7⋊C9)⋊(C2×C7×C19)

Splittings

derivedC7 ⋊ C22×C7×C9×C19
HallC7×C19×C7⋊C9 ⋊ C22
HallC2×C7×D7×C19 ⋊ C9
HallC72×C19 ⋊ C22×C9
HallC7×C7⋊C9 ⋊ C22×C19
HallC2×C7×D7 ⋊ C9×C19
SylowC72 ⋊ C22×C9×C19

Subgroups

subgroupG/H
center, hypercenterC2×C3×C7×C19AGL(1,𝔽7)
commutator, hypocenterC7C22×C7×C9×C19
FrattiniC3C2×C7×C19×AGL(1,𝔽7)
Fitting, socleC2×C3×C72×C19C2×C3
prime radicalC2×C3×C7×D7×C19C3
cosocleC3×C7C22×C3×C7×C19
LCSG ▷ C7
UCSC1 ◁ C2×C3×C7×C19

128 conjugacy classes of subgroups; only the 76 normal subgroups are shown.

normal subgroups only

This group has 128 conjugacy classes of subgroups — too many to draw. Only its 76 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) = 4788

Conjugacy classes & character table

5586 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(33516, 405);