Properties

Label 1984.19
Modulus $1984$
Conductor $1984$
Order $240$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1984, base_ring=CyclotomicField(240))
 
M = H._module
 
chi = DirichletCharacter(H, M([120,105,32]))
 
pari: [g,chi] = znchar(Mod(19,1984))
 

Basic properties

Modulus: \(1984\)
Conductor: \(1984\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(240\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1984.cz

\(\chi_{1984}(19,\cdot)\) \(\chi_{1984}(51,\cdot)\) \(\chi_{1984}(59,\cdot)\) \(\chi_{1984}(107,\cdot)\) \(\chi_{1984}(131,\cdot)\) \(\chi_{1984}(195,\cdot)\) \(\chi_{1984}(227,\cdot)\) \(\chi_{1984}(235,\cdot)\) \(\chi_{1984}(267,\cdot)\) \(\chi_{1984}(299,\cdot)\) \(\chi_{1984}(307,\cdot)\) \(\chi_{1984}(355,\cdot)\) \(\chi_{1984}(379,\cdot)\) \(\chi_{1984}(443,\cdot)\) \(\chi_{1984}(475,\cdot)\) \(\chi_{1984}(483,\cdot)\) \(\chi_{1984}(515,\cdot)\) \(\chi_{1984}(547,\cdot)\) \(\chi_{1984}(555,\cdot)\) \(\chi_{1984}(603,\cdot)\) \(\chi_{1984}(627,\cdot)\) \(\chi_{1984}(691,\cdot)\) \(\chi_{1984}(723,\cdot)\) \(\chi_{1984}(731,\cdot)\) \(\chi_{1984}(763,\cdot)\) \(\chi_{1984}(795,\cdot)\) \(\chi_{1984}(803,\cdot)\) \(\chi_{1984}(851,\cdot)\) \(\chi_{1984}(875,\cdot)\) \(\chi_{1984}(939,\cdot)\) ...

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: $\Q(\zeta_{240})$
Fixed field: Number field defined by a degree 240 polynomial (not computed)

Values on generators

\((63,1861,65)\) → \((-1,e\left(\frac{7}{16}\right),e\left(\frac{2}{15}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 1984 }(19, a) \) \(-1\)\(1\)\(e\left(\frac{227}{240}\right)\)\(e\left(\frac{5}{48}\right)\)\(e\left(\frac{73}{120}\right)\)\(e\left(\frac{107}{120}\right)\)\(e\left(\frac{181}{240}\right)\)\(e\left(\frac{7}{240}\right)\)\(e\left(\frac{1}{20}\right)\)\(e\left(\frac{11}{60}\right)\)\(e\left(\frac{23}{240}\right)\)\(e\left(\frac{133}{240}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1984 }(19,a) \;\) at \(\;a = \) e.g. 2