Finite Group Databasebeta

D1197 #14558798

order2394
isoclinismisoclinic class of D1197
automorphismAut(G) order 775656
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD1197
unambiguous semidirect productC7⋊D171
unambiguous semidirect productC9⋊D133
unambiguous semidirect productC19⋊D63

Splittings

Fitting, derived, HallC7×C9×C19 ⋊ C2
HallC9×C19 ⋊ D7
HallC7×C19 ⋊ D9
HallC7×C9 ⋊ D19
SylowC19 ⋊ D63
SylowC9 ⋊ D133
SylowC7 ⋊ D171

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC7×C9×C19C2
FrattiniC3D399
socleC3×C7×C19D3
LCSG ▷ C7×C9×C19
UCSC1

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 2 generators on 35 points:

(1,2,3,4,5,6,7,8,9)(10,11,12,13,14,15,16)(17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35);(2,9)(3,8)(4,7)(5,6)(11,16)(12,15)(13,14)(18,35)(19,34)(20,33)(21,32)(22,31)(23,30)(24,29)(25,28)(26,27)

Polycyclic presentation:

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

Conjugacy classes & character table

600 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD19×D63, D7×D171, D9×D133, …
maximal normal subgroup ofD19×D63, D7×D171, D9×D133, …
maximal quotient ofDic1197, C2×D1197, C5×D1197, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2394, 24);