Properties

Label 9800.257
Modulus $9800$
Conductor $245$
Order $84$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(9800, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,0,21,22]))
 
pari: [g,chi] = znchar(Mod(257,9800))
 

Basic properties

Modulus: \(9800\)
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 \(\chi_{245}(12,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 9800.gb

\(\chi_{9800}(257,\cdot)\) \(\chi_{9800}(593,\cdot)\) \(\chi_{9800}(857,\cdot)\) \(\chi_{9800}(1193,\cdot)\) \(\chi_{9800}(1657,\cdot)\) \(\chi_{9800}(1993,\cdot)\) \(\chi_{9800}(2257,\cdot)\) \(\chi_{9800}(2593,\cdot)\) \(\chi_{9800}(3393,\cdot)\) \(\chi_{9800}(3993,\cdot)\) \(\chi_{9800}(4457,\cdot)\) \(\chi_{9800}(4793,\cdot)\) \(\chi_{9800}(5057,\cdot)\) \(\chi_{9800}(5393,\cdot)\) \(\chi_{9800}(5857,\cdot)\) \(\chi_{9800}(6457,\cdot)\) \(\chi_{9800}(7257,\cdot)\) \(\chi_{9800}(7593,\cdot)\) \(\chi_{9800}(7857,\cdot)\) \(\chi_{9800}(8193,\cdot)\) \(\chi_{9800}(8657,\cdot)\) \(\chi_{9800}(8993,\cdot)\) \(\chi_{9800}(9257,\cdot)\) \(\chi_{9800}(9593,\cdot)\)

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

\((7351,4901,1177,5001)\) → \((1,1,i,e\left(\frac{11}{42}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(9\)\(11\)\(13\)\(17\)\(19\)\(23\)\(27\)\(29\)\(31\)
\( \chi_{ 9800 }(257, a) \) \(1\)\(1\)\(e\left(\frac{1}{84}\right)\)\(e\left(\frac{1}{42}\right)\)\(e\left(\frac{10}{21}\right)\)\(e\left(\frac{11}{28}\right)\)\(e\left(\frac{67}{84}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{59}{84}\right)\)\(e\left(\frac{1}{28}\right)\)\(e\left(\frac{3}{14}\right)\)\(e\left(\frac{5}{6}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 9800 }(257,a) \;\) at \(\;a = \) e.g. 2