Properties

Label 251.203
Modulus $251$
Conductor $251$
Order $250$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(251, base_ring=CyclotomicField(250))
 
M = H._module
 
chi = DirichletCharacter(H, M([81]))
 
pari: [g,chi] = znchar(Mod(203,251))
 

Basic properties

Modulus: \(251\)
Conductor: \(251\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(250\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 251.h

\(\chi_{251}(6,\cdot)\) \(\chi_{251}(11,\cdot)\) \(\chi_{251}(14,\cdot)\) \(\chi_{251}(18,\cdot)\) \(\chi_{251}(19,\cdot)\) \(\chi_{251}(24,\cdot)\) \(\chi_{251}(26,\cdot)\) \(\chi_{251}(29,\cdot)\) \(\chi_{251}(30,\cdot)\) \(\chi_{251}(33,\cdot)\) \(\chi_{251}(34,\cdot)\) \(\chi_{251}(37,\cdot)\) \(\chi_{251}(42,\cdot)\) \(\chi_{251}(43,\cdot)\) \(\chi_{251}(44,\cdot)\) \(\chi_{251}(46,\cdot)\) \(\chi_{251}(53,\cdot)\) \(\chi_{251}(54,\cdot)\) \(\chi_{251}(55,\cdot)\) \(\chi_{251}(56,\cdot)\) \(\chi_{251}(57,\cdot)\) \(\chi_{251}(59,\cdot)\) \(\chi_{251}(61,\cdot)\) \(\chi_{251}(62,\cdot)\) \(\chi_{251}(70,\cdot)\) \(\chi_{251}(71,\cdot)\) \(\chi_{251}(72,\cdot)\) \(\chi_{251}(76,\cdot)\) \(\chi_{251}(77,\cdot)\) \(\chi_{251}(78,\cdot)\) ...

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: $\Q(\zeta_{125})$
Fixed field: Number field defined by a degree 250 polynomial (not computed)

Values on generators

\(6\) → \(e\left(\frac{81}{250}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 251 }(203, a) \) \(-1\)\(1\)\(e\left(\frac{7}{50}\right)\)\(e\left(\frac{23}{125}\right)\)\(e\left(\frac{7}{25}\right)\)\(e\left(\frac{3}{25}\right)\)\(e\left(\frac{81}{250}\right)\)\(e\left(\frac{44}{125}\right)\)\(e\left(\frac{21}{50}\right)\)\(e\left(\frac{46}{125}\right)\)\(e\left(\frac{13}{50}\right)\)\(e\left(\frac{91}{250}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 251 }(203,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 251 }(203,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 251 }(203,·),\chi_{ 251 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 251 }(203,·)) \;\) at \(\; a,b = \) e.g. 1,2