Finite Group Databasebeta

C7⋊D1197 #30660633

order16758
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C7

Aliases

unambiguous semidirect productC7⋊D1197
unambiguous semidirect productC9⋊(C7⋊D133)
unambiguous semidirect productC19⋊(C7⋊D63)

Splittings

Fitting, derived, HallC72×C9×C19 ⋊ C2
HallC72×C19 ⋊ D9
HallC72×C9 ⋊ D19
HallC9×C19 ⋊ C7⋊D7
SylowC72 ⋊ D171
SylowC19 ⋊ C7⋊D63
SylowC9 ⋊ C7⋊D133

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC72×C9×C19C2
FrattiniC3C3⋊(C7⋊D133)
socleC3×C72×C19D3
LCSG ▷ C72×C9×C19
UCSC1

120 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8379

Polycyclic presentation:

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

Conjugacy classes & character table

4191 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD19×C7⋊D63, C7⋊D7×D171, D9×C7⋊D133, …
maximal normal subgroup ofD19×C7⋊D63, C7⋊D7×D171, D9×C7⋊D133, …
maximal quotient ofC7⋊Dic1197, C2×C7⋊D1197

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16758, 160);