Properties

Label 891.71
Modulus $891$
Conductor $297$
Order $90$
Real no
Primitive no
Minimal no
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(891, base_ring=CyclotomicField(90))
 
M = H._module
 
chi = DirichletCharacter(H, M([85,36]))
 
pari: [g,chi] = znchar(Mod(71,891))
 

Basic properties

Modulus: \(891\)
Conductor: \(297\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(90\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{297}(203,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 891.z

\(\chi_{891}(71,\cdot)\) \(\chi_{891}(125,\cdot)\) \(\chi_{891}(152,\cdot)\) \(\chi_{891}(170,\cdot)\) \(\chi_{891}(179,\cdot)\) \(\chi_{891}(224,\cdot)\) \(\chi_{891}(251,\cdot)\) \(\chi_{891}(278,\cdot)\) \(\chi_{891}(368,\cdot)\) \(\chi_{891}(422,\cdot)\) \(\chi_{891}(449,\cdot)\) \(\chi_{891}(467,\cdot)\) \(\chi_{891}(476,\cdot)\) \(\chi_{891}(521,\cdot)\) \(\chi_{891}(548,\cdot)\) \(\chi_{891}(575,\cdot)\) \(\chi_{891}(665,\cdot)\) \(\chi_{891}(719,\cdot)\) \(\chi_{891}(746,\cdot)\) \(\chi_{891}(764,\cdot)\) \(\chi_{891}(773,\cdot)\) \(\chi_{891}(818,\cdot)\) \(\chi_{891}(845,\cdot)\) \(\chi_{891}(872,\cdot)\)

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

Related number fields

Field of values: $\Q(\zeta_{45})$
Fixed field: Number field defined by a degree 90 polynomial

Values on generators

\((650,244)\) → \((e\left(\frac{17}{18}\right),e\left(\frac{2}{5}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(5\)\(7\)\(8\)\(10\)\(13\)\(14\)\(16\)\(17\)
\( \chi_{ 891 }(71, a) \) \(-1\)\(1\)\(e\left(\frac{31}{90}\right)\)\(e\left(\frac{31}{45}\right)\)\(e\left(\frac{29}{90}\right)\)\(e\left(\frac{41}{45}\right)\)\(e\left(\frac{1}{30}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{43}{45}\right)\)\(e\left(\frac{23}{90}\right)\)\(e\left(\frac{17}{45}\right)\)\(e\left(\frac{23}{30}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 891 }(71,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 891 }(71,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 891 }(71,·),\chi_{ 891 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 891 }(71,·)) \;\) at \(\; a,b = \) e.g. 1,2