Properties

Label 1960.17
Modulus $1960$
Conductor $245$
Order $84$
Real no
Primitive no
Minimal yes
Parity even

Related objects

Downloads

Learn more

Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1960, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,0,21,50]))
 
pari: [g,chi] = znchar(Mod(17,1960))
 

Basic properties

Modulus: \(1960\)
Conductor: \(245\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{245}(17,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1960.dp

\(\chi_{1960}(17,\cdot)\) \(\chi_{1960}(33,\cdot)\) \(\chi_{1960}(73,\cdot)\) \(\chi_{1960}(257,\cdot)\) \(\chi_{1960}(297,\cdot)\) \(\chi_{1960}(353,\cdot)\) \(\chi_{1960}(537,\cdot)\) \(\chi_{1960}(577,\cdot)\) \(\chi_{1960}(593,\cdot)\) \(\chi_{1960}(633,\cdot)\) \(\chi_{1960}(817,\cdot)\) \(\chi_{1960}(857,\cdot)\) \(\chi_{1960}(873,\cdot)\) \(\chi_{1960}(1137,\cdot)\) \(\chi_{1960}(1153,\cdot)\) \(\chi_{1960}(1193,\cdot)\) \(\chi_{1960}(1377,\cdot)\) \(\chi_{1960}(1417,\cdot)\) \(\chi_{1960}(1433,\cdot)\) \(\chi_{1960}(1473,\cdot)\) \(\chi_{1960}(1657,\cdot)\) \(\chi_{1960}(1713,\cdot)\) \(\chi_{1960}(1753,\cdot)\) \(\chi_{1960}(1937,\cdot)\)

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: $\Q(\zeta_{84})$
Fixed field: Number field defined by a degree 84 polynomial

Values on generators

\((1471,981,1177,1081)\) → \((1,1,i,e\left(\frac{25}{42}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(9\)\(11\)\(13\)\(17\)\(19\)\(23\)\(27\)\(29\)\(31\)
\( \chi_{ 1960 }(17, a) \) \(1\)\(1\)\(e\left(\frac{29}{84}\right)\)\(e\left(\frac{29}{42}\right)\)\(e\left(\frac{17}{21}\right)\)\(e\left(\frac{11}{28}\right)\)\(e\left(\frac{11}{84}\right)\)\(e\left(\frac{1}{3}\right)\)\(e\left(\frac{31}{84}\right)\)\(e\left(\frac{1}{28}\right)\)\(e\left(\frac{3}{14}\right)\)\(e\left(\frac{1}{6}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1960 }(17,a) \;\) at \(\;a = \) e.g. 2