Properties

Label 2028.35
Modulus $2028$
Conductor $2028$
Order $78$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2028, base_ring=CyclotomicField(78))
 
M = H._module
 
chi = DirichletCharacter(H, M([39,39,58]))
 
pari: [g,chi] = znchar(Mod(35,2028))
 

Basic properties

Modulus: \(2028\)
Conductor: \(2028\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(78\)
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 2028.bp

\(\chi_{2028}(35,\cdot)\) \(\chi_{2028}(107,\cdot)\) \(\chi_{2028}(263,\cdot)\) \(\chi_{2028}(347,\cdot)\) \(\chi_{2028}(419,\cdot)\) \(\chi_{2028}(503,\cdot)\) \(\chi_{2028}(575,\cdot)\) \(\chi_{2028}(659,\cdot)\) \(\chi_{2028}(731,\cdot)\) \(\chi_{2028}(815,\cdot)\) \(\chi_{2028}(887,\cdot)\) \(\chi_{2028}(971,\cdot)\) \(\chi_{2028}(1043,\cdot)\) \(\chi_{2028}(1127,\cdot)\) \(\chi_{2028}(1199,\cdot)\) \(\chi_{2028}(1283,\cdot)\) \(\chi_{2028}(1355,\cdot)\) \(\chi_{2028}(1439,\cdot)\) \(\chi_{2028}(1511,\cdot)\) \(\chi_{2028}(1595,\cdot)\) \(\chi_{2028}(1751,\cdot)\) \(\chi_{2028}(1823,\cdot)\) \(\chi_{2028}(1907,\cdot)\) \(\chi_{2028}(1979,\cdot)\)

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: $\Q(\zeta_{39})$
Fixed field: Number field defined by a degree 78 polynomial

Values on generators

\((1015,677,1861)\) → \((-1,-1,e\left(\frac{29}{39}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(7\)\(11\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)\(35\)
\( \chi_{ 2028 }(35, a) \) \(1\)\(1\)\(e\left(\frac{5}{26}\right)\)\(e\left(\frac{5}{78}\right)\)\(e\left(\frac{23}{39}\right)\)\(e\left(\frac{5}{78}\right)\)\(e\left(\frac{5}{6}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{5}{13}\right)\)\(e\left(\frac{19}{78}\right)\)\(e\left(\frac{3}{26}\right)\)\(e\left(\frac{10}{39}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2028 }(35,a) \;\) at \(\;a = \) e.g. 2