Properties

Conductor 91
Order 12
Real No
Primitive Yes
Parity Even
Orbit Label 91.w

Related objects

Learn more about

Show commands for: SageMath / Pari/GP
sage: from dirichlet_conrey import DirichletGroup_conrey # requires nonstandard Sage package to be installed
sage: H = DirichletGroup_conrey(91)
sage: chi = H[80]
pari: [g,chi] = znchar(Mod(80,91))

Basic properties

sage: chi.conductor()
pari: znconreyconductor(g,chi)
Conductor = 91
sage: chi.multiplicative_order()
pari: charorder(g,chi)
Order = 12
Real = No
sage: chi.is_primitive()
pari: #znconreyconductor(g,chi)==1 \\ if not primitive returns [cond,factorization]
Primitive = Yes
sage: chi.is_odd()
pari: zncharisodd(g,chi)
Parity = Even
Orbit label = 91.w
Orbit index = 23

Galois orbit

sage: chi.sage_character().galois_orbit()
pari: order = charorder(g,chi)
pari: [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]

\(\chi_{91}(19,\cdot)\) \(\chi_{91}(24,\cdot)\) \(\chi_{91}(33,\cdot)\) \(\chi_{91}(80,\cdot)\)

Values on generators

\((66,15)\) → \((e\left(\frac{1}{6}\right),e\left(\frac{1}{12}\right))\)

Values

-112345689101112
\(1\)\(1\)\(e\left(\frac{5}{12}\right)\)\(-1\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{11}{12}\right)\)\(i\)\(1\)\(1\)\(i\)\(e\left(\frac{1}{3}\right)\)
value at  e.g. 2

Related number fields

Field of values \(\Q(\zeta_{12})\)

Gauss sum

sage: chi.sage_character().gauss_sum(a)
pari: znchargauss(g,chi,a)
\( \tau_{ a }( \chi_{ 91 }(80,·) )\;\) at \(\;a = \) e.g. 2
\(\displaystyle \tau_{2}(\chi_{91}(80,\cdot)) = \sum_{r\in \Z/91\Z} \chi_{91}(80,r) e\left(\frac{2r}{91}\right) = 5.5780608799+-7.7385552153i \)

Jacobi sum

sage: chi.sage_character().jacobi_sum(n)
\( J(\chi_{ 91 }(80,·),\chi_{ 91 }(n,·)) \;\) for \( \; n = \) e.g. 1
\( \displaystyle J(\chi_{91}(80,\cdot),\chi_{91}(1,\cdot)) = \sum_{r\in \Z/91\Z} \chi_{91}(80,r) \chi_{91}(1,1-r) = 1 \)

Kloosterman sum

sage: chi.sage_character().kloosterman_sum(a,b)
\(K(a,b,\chi_{ 91 }(80,·)) \;\) at \(\; a,b = \) e.g. 1,2
\( \displaystyle K(1,2,\chi_{91}(80,·)) = \sum_{r \in \Z/91\Z} \chi_{91}(80,r) e\left(\frac{1 r + 2 r^{-1}}{91}\right) = 0.494892528+1.8469640587i \)