Finite Group Databasebeta

D63⋊D19 #18012132

order4788
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD63⋊D19
unambiguous semidirect productD133⋊D9
unambiguous semidirect productD171⋊D7

Splittings

Fitting, derived, HallC7×C9×C19 ⋊ C22
HallC9×C19 ⋊ C2×D7
HallC7×C19 ⋊ C2×D9
HallC7×C9 ⋊ C2×D19
SylowC19 ⋊ D7×D9
SylowC9 ⋊ D7×D19
SylowC7 ⋊ D9×D19

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC7×C9×C19C22
FrattiniC3D21⋊D19
socleC3×C7×C19C2×D3
LCSG ▷ C7×C9×C19
UCSC1

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 35
transitive degreeμt(G) = 1197

Polycyclic presentation:

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

Conjugacy classes & character table

327 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC5×D63⋊D19, D133⋊D45, D171⋊D35, …
maximal normal subgroup ofC5×D63⋊D19, C7×D63⋊D19
maximal quotient ofC5×D63⋊D19, D133⋊D45, D171⋊D35, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4788, 48);