Finite Group Databasebeta

(C19⋊C3)⋊(D49⋊C3) #30660504

order16758
automorphism?
homologyAbelianization (H1) = C2×C32 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect product(C19⋊C3)⋊(D49⋊C3)
unambiguous semidirect product(C49⋊C3)⋊(D19⋊C3)
unambiguous semidirect product((C19⋊C3)⋊D49)⋊C3
unambiguous semidirect product((C49⋊C3)⋊D19)⋊C3
unambiguous semidirect product#19150257⋊C3
unambiguous semidirect product#19150258⋊C3

Splittings

Fitting, derived, HallC19×C49 ⋊ C2×C32
HallC19⋊C3×C49⋊C3 ⋊ C2
HallD931 ⋊ C32
SylowC49 ⋊ C3×D19⋊C3
SylowC19 ⋊ C3×D49⋊C3

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC19×C49C2×C32
FrattiniC7ΓL(1,𝔽8)⋊(D19⋊C3)
socleC7×C19C3×AGL(1,𝔽7)
LCSG ▷ C19×C49
UCSC1

72 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 931

Polycyclic presentation:

2,3^2,7,19,7|d^7=f^6,d^a=d^6f,e^a=e^18,f^a=f^6,e^b=e^7,d^c=d^2f^3,f^c=f^2

Conjugacy classes & character table

99 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD19⋊C3×D49⋊C3, C2×(C19⋊C3)⋊(D49⋊C3)
maximal normal subgroup ofD19⋊C3×D49⋊C3, C2×(C19⋊C3)⋊(D49⋊C3)
maximal quotient of(C19⋊C3)⋊((C49⋊C3)⋊C4), C2×(C19⋊C3)⋊(D49⋊C3)

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16758, 31);