Properties

Label 2057.15
Modulus $2057$
Conductor $2057$
Order $440$
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(440))
 
M = H._module
 
chi = DirichletCharacter(H, M([208,165]))
 
pari: [g,chi] = znchar(Mod(15,2057))
 

Basic properties

Modulus: \(2057\)
Conductor: \(2057\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(440\)
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.bk

\(\chi_{2057}(15,\cdot)\) \(\chi_{2057}(25,\cdot)\) \(\chi_{2057}(26,\cdot)\) \(\chi_{2057}(36,\cdot)\) \(\chi_{2057}(42,\cdot)\) \(\chi_{2057}(49,\cdot)\) \(\chi_{2057}(53,\cdot)\) \(\chi_{2057}(59,\cdot)\) \(\chi_{2057}(60,\cdot)\) \(\chi_{2057}(70,\cdot)\) \(\chi_{2057}(93,\cdot)\) \(\chi_{2057}(104,\cdot)\) \(\chi_{2057}(168,\cdot)\) \(\chi_{2057}(179,\cdot)\) \(\chi_{2057}(185,\cdot)\) \(\chi_{2057}(196,\cdot)\) \(\chi_{2057}(212,\cdot)\) \(\chi_{2057}(213,\cdot)\) \(\chi_{2057}(223,\cdot)\) \(\chi_{2057}(229,\cdot)\) \(\chi_{2057}(236,\cdot)\) \(\chi_{2057}(240,\cdot)\) \(\chi_{2057}(246,\cdot)\) \(\chi_{2057}(247,\cdot)\) \(\chi_{2057}(257,\cdot)\) \(\chi_{2057}(280,\cdot)\) \(\chi_{2057}(291,\cdot)\) \(\chi_{2057}(355,\cdot)\) \(\chi_{2057}(383,\cdot)\) \(\chi_{2057}(389,\cdot)\) ...

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: $\Q(\zeta_{440})$
Fixed field: Number field defined by a degree 440 polynomial (not computed)

Values on generators

\((970,122)\) → \((e\left(\frac{26}{55}\right),e\left(\frac{3}{8}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(7\)\(8\)\(9\)\(10\)\(12\)
\( \chi_{ 2057 }(15, a) \) \(1\)\(1\)\(e\left(\frac{159}{220}\right)\)\(e\left(\frac{39}{40}\right)\)\(e\left(\frac{49}{110}\right)\)\(e\left(\frac{377}{440}\right)\)\(e\left(\frac{307}{440}\right)\)\(e\left(\frac{191}{440}\right)\)\(e\left(\frac{37}{220}\right)\)\(e\left(\frac{19}{20}\right)\)\(e\left(\frac{51}{88}\right)\)\(e\left(\frac{37}{88}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2057 }(15,a) \;\) at \(\;a = \) e.g. 2