Properties

Label 2656.31
Modulus $2656$
Conductor $332$
Order $82$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2656, base_ring=CyclotomicField(82))
 
M = H._module
 
chi = DirichletCharacter(H, M([41,0,38]))
 
pari: [g,chi] = znchar(Mod(31,2656))
 

Basic properties

Modulus: \(2656\)
Conductor: \(332\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(82\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{332}(31,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2656.v

\(\chi_{2656}(31,\cdot)\) \(\chi_{2656}(63,\cdot)\) \(\chi_{2656}(95,\cdot)\) \(\chi_{2656}(127,\cdot)\) \(\chi_{2656}(191,\cdot)\) \(\chi_{2656}(287,\cdot)\) \(\chi_{2656}(319,\cdot)\) \(\chi_{2656}(383,\cdot)\) \(\chi_{2656}(479,\cdot)\) \(\chi_{2656}(575,\cdot)\) \(\chi_{2656}(607,\cdot)\) \(\chi_{2656}(671,\cdot)\) \(\chi_{2656}(863,\cdot)\) \(\chi_{2656}(895,\cdot)\) \(\chi_{2656}(991,\cdot)\) \(\chi_{2656}(1023,\cdot)\) \(\chi_{2656}(1055,\cdot)\) \(\chi_{2656}(1119,\cdot)\) \(\chi_{2656}(1183,\cdot)\) \(\chi_{2656}(1439,\cdot)\) \(\chi_{2656}(1503,\cdot)\) \(\chi_{2656}(1535,\cdot)\) \(\chi_{2656}(1663,\cdot)\) \(\chi_{2656}(1759,\cdot)\) \(\chi_{2656}(1791,\cdot)\) \(\chi_{2656}(1855,\cdot)\) \(\chi_{2656}(1887,\cdot)\) \(\chi_{2656}(1919,\cdot)\) \(\chi_{2656}(2015,\cdot)\) \(\chi_{2656}(2079,\cdot)\) ...

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: $\Q(\zeta_{41})$
Fixed field: Number field defined by a degree 82 polynomial

Values on generators

\((831,997,417)\) → \((-1,1,e\left(\frac{19}{41}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 2656 }(31, a) \) \(-1\)\(1\)\(e\left(\frac{71}{82}\right)\)\(e\left(\frac{21}{41}\right)\)\(e\left(\frac{17}{82}\right)\)\(e\left(\frac{30}{41}\right)\)\(e\left(\frac{51}{82}\right)\)\(e\left(\frac{28}{41}\right)\)\(e\left(\frac{31}{82}\right)\)\(e\left(\frac{39}{41}\right)\)\(e\left(\frac{23}{82}\right)\)\(e\left(\frac{3}{41}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2656 }(31,a) \;\) at \(\;a = \) e.g. 2