Properties

Label 2842.19
Modulus $2842$
Conductor $203$
Order $84$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2842, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([70,27]))
 
pari: [g,chi] = znchar(Mod(19,2842))
 

Basic properties

Modulus: \(2842\)
Conductor: \(203\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{203}(19,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2842.dx

\(\chi_{2842}(19,\cdot)\) \(\chi_{2842}(31,\cdot)\) \(\chi_{2842}(607,\cdot)\) \(\chi_{2842}(619,\cdot)\) \(\chi_{2842}(717,\cdot)\) \(\chi_{2842}(815,\cdot)\) \(\chi_{2842}(901,\cdot)\) \(\chi_{2842}(913,\cdot)\) \(\chi_{2842}(1207,\cdot)\) \(\chi_{2842}(1403,\cdot)\) \(\chi_{2842}(1489,\cdot)\) \(\chi_{2842}(1587,\cdot)\) \(\chi_{2842}(1685,\cdot)\) \(\chi_{2842}(1697,\cdot)\) \(\chi_{2842}(1783,\cdot)\) \(\chi_{2842}(1795,\cdot)\) \(\chi_{2842}(1893,\cdot)\) \(\chi_{2842}(1991,\cdot)\) \(\chi_{2842}(2077,\cdot)\) \(\chi_{2842}(2273,\cdot)\) \(\chi_{2842}(2567,\cdot)\) \(\chi_{2842}(2579,\cdot)\) \(\chi_{2842}(2665,\cdot)\) \(\chi_{2842}(2763,\cdot)\)

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

\((1277,785)\) → \((e\left(\frac{5}{6}\right),e\left(\frac{9}{28}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(23\)\(25\)
\( \chi_{ 2842 }(19, a) \) \(1\)\(1\)\(e\left(\frac{37}{84}\right)\)\(e\left(\frac{5}{21}\right)\)\(e\left(\frac{37}{42}\right)\)\(e\left(\frac{31}{84}\right)\)\(e\left(\frac{2}{7}\right)\)\(e\left(\frac{19}{28}\right)\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{5}{84}\right)\)\(e\left(\frac{2}{21}\right)\)\(e\left(\frac{10}{21}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2842 }(19,a) \;\) at \(\;a = \) e.g. 2