Properties

Label 2057.4
Modulus $2057$
Conductor $2057$
Order $220$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2057, base_ring=CyclotomicField(220))
 
M = H._module
 
chi = DirichletCharacter(H, M([4,165]))
 
pari: [g,chi] = znchar(Mod(4,2057))
 

Basic properties

Modulus: \(2057\)
Conductor: \(2057\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(220\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2057.bi

\(\chi_{2057}(4,\cdot)\) \(\chi_{2057}(38,\cdot)\) \(\chi_{2057}(47,\cdot)\) \(\chi_{2057}(64,\cdot)\) \(\chi_{2057}(115,\cdot)\) \(\chi_{2057}(157,\cdot)\) \(\chi_{2057}(174,\cdot)\) \(\chi_{2057}(191,\cdot)\) \(\chi_{2057}(225,\cdot)\) \(\chi_{2057}(234,\cdot)\) \(\chi_{2057}(268,\cdot)\) \(\chi_{2057}(302,\cdot)\) \(\chi_{2057}(344,\cdot)\) \(\chi_{2057}(361,\cdot)\) \(\chi_{2057}(378,\cdot)\) \(\chi_{2057}(412,\cdot)\) \(\chi_{2057}(421,\cdot)\) \(\chi_{2057}(438,\cdot)\) \(\chi_{2057}(455,\cdot)\) \(\chi_{2057}(489,\cdot)\) \(\chi_{2057}(531,\cdot)\) \(\chi_{2057}(548,\cdot)\) \(\chi_{2057}(599,\cdot)\) \(\chi_{2057}(625,\cdot)\) \(\chi_{2057}(642,\cdot)\) \(\chi_{2057}(676,\cdot)\) \(\chi_{2057}(718,\cdot)\) \(\chi_{2057}(752,\cdot)\) \(\chi_{2057}(786,\cdot)\) \(\chi_{2057}(795,\cdot)\) ...

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: $\Q(\zeta_{220})$
Fixed field: Number field defined by a degree 220 polynomial (not computed)

Values on generators

\((970,122)\) → \((e\left(\frac{1}{55}\right),-i)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(12\)
\( \chi_{ 2057 }(4, a) \) \(1\)\(1\)\(e\left(\frac{57}{110}\right)\)\(e\left(\frac{7}{20}\right)\)\(e\left(\frac{2}{55}\right)\)\(e\left(\frac{21}{220}\right)\)\(e\left(\frac{191}{220}\right)\)\(e\left(\frac{83}{220}\right)\)\(e\left(\frac{61}{110}\right)\)\(e\left(\frac{7}{10}\right)\)\(e\left(\frac{27}{44}\right)\)\(e\left(\frac{17}{44}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2057 }(4,a) \;\) at \(\;a = \) e.g. 2