Properties

Label 4018.13
Modulus $4018$
Conductor $2009$
Order $280$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4018, base_ring=CyclotomicField(280))
 
M = H._module
 
chi = DirichletCharacter(H, M([220,217]))
 
pari: [g,chi] = znchar(Mod(13,4018))
 

Basic properties

Modulus: \(4018\)
Conductor: \(2009\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(280\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{2009}(13,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4018.cg

\(\chi_{4018}(13,\cdot)\) \(\chi_{4018}(69,\cdot)\) \(\chi_{4018}(111,\cdot)\) \(\chi_{4018}(153,\cdot)\) \(\chi_{4018}(181,\cdot)\) \(\chi_{4018}(265,\cdot)\) \(\chi_{4018}(321,\cdot)\) \(\chi_{4018}(335,\cdot)\) \(\chi_{4018}(363,\cdot)\) \(\chi_{4018}(475,\cdot)\) \(\chi_{4018}(503,\cdot)\) \(\chi_{4018}(545,\cdot)\) \(\chi_{4018}(559,\cdot)\) \(\chi_{4018}(643,\cdot)\) \(\chi_{4018}(671,\cdot)\) \(\chi_{4018}(727,\cdot)\) \(\chi_{4018}(755,\cdot)\) \(\chi_{4018}(839,\cdot)\) \(\chi_{4018}(867,\cdot)\) \(\chi_{4018}(895,\cdot)\) \(\chi_{4018}(909,\cdot)\) \(\chi_{4018}(937,\cdot)\) \(\chi_{4018}(965,\cdot)\) \(\chi_{4018}(1049,\cdot)\) \(\chi_{4018}(1119,\cdot)\) \(\chi_{4018}(1133,\cdot)\) \(\chi_{4018}(1161,\cdot)\) \(\chi_{4018}(1217,\cdot)\) \(\chi_{4018}(1245,\cdot)\) \(\chi_{4018}(1259,\cdot)\) ...

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: $\Q(\zeta_{280})$
Fixed field: Number field defined by a degree 280 polynomial (not computed)

Values on generators

\((493,785)\) → \((e\left(\frac{11}{14}\right),e\left(\frac{31}{40}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(23\)\(25\)
\( \chi_{ 4018 }(13, a) \) \(1\)\(1\)\(e\left(\frac{23}{56}\right)\)\(e\left(\frac{117}{140}\right)\)\(e\left(\frac{23}{28}\right)\)\(e\left(\frac{211}{280}\right)\)\(e\left(\frac{267}{280}\right)\)\(e\left(\frac{69}{280}\right)\)\(e\left(\frac{61}{280}\right)\)\(e\left(\frac{19}{40}\right)\)\(e\left(\frac{53}{70}\right)\)\(e\left(\frac{47}{70}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4018 }(13,a) \;\) at \(\;a = \) e.g. 2