Finite Group Databasebeta

C2×C19×D7⋊C9 #18012120

order4788
isoclinismisoclinic class of AGL(1,𝔽7)
automorphism?
homologyAbelianization (H1) = C22×C9×C19 · Schur multiplier (H2) = C2

Aliases

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

Splittings

derived, SylowC7 ⋊ C22×C9×C19
HallC19×C7⋊C9 ⋊ C22
HallC2×D7×C19 ⋊ C9
HallC7×C19 ⋊ C22×C9
HallC7⋊C9 ⋊ C22×C19
HallC2×D7 ⋊ C9×C19

Subgroups

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

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2394

Conjugacy classes & character table

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

Relationships

maximal subgroup ofD5×C19×D7⋊C9, C2×C5×C19×D7⋊C9, C2×C19×C5⋊(D7⋊C9), …
maximal normal subgroup ofC2×C5×C19×D7⋊C9, C2×C7×C19×D7⋊C9
maximal quotient ofD5×C19×D7⋊C9, C2×C5×C19×D7⋊C9, C2×C19×C5⋊(D7⋊C9), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4788, 36);