Properties

Label 401.71
Modulus $401$
Conductor $401$
Order $400$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(401, base_ring=CyclotomicField(400))
 
M = H._module
 
chi = DirichletCharacter(H, M([69]))
 
pari: [g,chi] = znchar(Mod(71,401))
 

Basic properties

Modulus: \(401\)
Conductor: \(401\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(400\)
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 401.o

\(\chi_{401}(3,\cdot)\) \(\chi_{401}(6,\cdot)\) \(\chi_{401}(12,\cdot)\) \(\chi_{401}(13,\cdot)\) \(\chi_{401}(15,\cdot)\) \(\chi_{401}(17,\cdot)\) \(\chi_{401}(19,\cdot)\) \(\chi_{401}(21,\cdot)\) \(\chi_{401}(23,\cdot)\) \(\chi_{401}(24,\cdot)\) \(\chi_{401}(27,\cdot)\) \(\chi_{401}(31,\cdot)\) \(\chi_{401}(34,\cdot)\) \(\chi_{401}(37,\cdot)\) \(\chi_{401}(38,\cdot)\) \(\chi_{401}(42,\cdot)\) \(\chi_{401}(46,\cdot)\) \(\chi_{401}(52,\cdot)\) \(\chi_{401}(53,\cdot)\) \(\chi_{401}(54,\cdot)\) \(\chi_{401}(59,\cdot)\) \(\chi_{401}(60,\cdot)\) \(\chi_{401}(61,\cdot)\) \(\chi_{401}(62,\cdot)\) \(\chi_{401}(65,\cdot)\) \(\chi_{401}(66,\cdot)\) \(\chi_{401}(67,\cdot)\) \(\chi_{401}(71,\cdot)\) \(\chi_{401}(74,\cdot)\) \(\chi_{401}(75,\cdot)\) ...

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: $\Q(\zeta_{400})$
Fixed field: Number field defined by a degree 400 polynomial (not computed)

Values on generators

\(3\) → \(e\left(\frac{69}{400}\right)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(11\)
\( \chi_{ 401 }(71, a) \) \(-1\)\(1\)\(e\left(\frac{97}{200}\right)\)\(e\left(\frac{69}{400}\right)\)\(e\left(\frac{97}{100}\right)\)\(e\left(\frac{7}{25}\right)\)\(e\left(\frac{263}{400}\right)\)\(e\left(\frac{139}{200}\right)\)\(e\left(\frac{91}{200}\right)\)\(e\left(\frac{69}{200}\right)\)\(e\left(\frac{153}{200}\right)\)\(e\left(\frac{93}{200}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 401 }(71,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 401 }(71,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 401 }(71,·),\chi_{ 401 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 401 }(71,·)) \;\) at \(\; a,b = \) e.g. 1,2