Properties

Label 1648.25
Modulus $1648$
Conductor $824$
Order $102$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1648, base_ring=CyclotomicField(102))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,51,2]))
 
pari: [g,chi] = znchar(Mod(25,1648))
 

Basic properties

Modulus: \(1648\)
Conductor: \(824\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(102\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{824}(437,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1648.bp

\(\chi_{1648}(25,\cdot)\) \(\chi_{1648}(41,\cdot)\) \(\chi_{1648}(105,\cdot)\) \(\chi_{1648}(121,\cdot)\) \(\chi_{1648}(153,\cdot)\) \(\chi_{1648}(185,\cdot)\) \(\chi_{1648}(201,\cdot)\) \(\chi_{1648}(265,\cdot)\) \(\chi_{1648}(297,\cdot)\) \(\chi_{1648}(313,\cdot)\) \(\chi_{1648}(345,\cdot)\) \(\chi_{1648}(361,\cdot)\) \(\chi_{1648}(377,\cdot)\) \(\chi_{1648}(441,\cdot)\) \(\chi_{1648}(553,\cdot)\) \(\chi_{1648}(633,\cdot)\) \(\chi_{1648}(681,\cdot)\) \(\chi_{1648}(841,\cdot)\) \(\chi_{1648}(857,\cdot)\) \(\chi_{1648}(873,\cdot)\) \(\chi_{1648}(921,\cdot)\) \(\chi_{1648}(953,\cdot)\) \(\chi_{1648}(985,\cdot)\) \(\chi_{1648}(1049,\cdot)\) \(\chi_{1648}(1113,\cdot)\) \(\chi_{1648}(1161,\cdot)\) \(\chi_{1648}(1193,\cdot)\) \(\chi_{1648}(1225,\cdot)\) \(\chi_{1648}(1449,\cdot)\) \(\chi_{1648}(1497,\cdot)\) ...

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: $\Q(\zeta_{51})$
Fixed field: Number field defined by a degree 102 polynomial (not computed)

Values on generators

\((207,1237,417)\) → \((1,-1,e\left(\frac{1}{51}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(21\)
\( \chi_{ 1648 }(25, a) \) \(1\)\(1\)\(e\left(\frac{9}{34}\right)\)\(e\left(\frac{53}{102}\right)\)\(e\left(\frac{4}{51}\right)\)\(e\left(\frac{9}{17}\right)\)\(e\left(\frac{71}{102}\right)\)\(e\left(\frac{31}{34}\right)\)\(e\left(\frac{40}{51}\right)\)\(e\left(\frac{19}{51}\right)\)\(e\left(\frac{7}{102}\right)\)\(e\left(\frac{35}{102}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1648 }(25,a) \;\) at \(\;a = \) e.g. 2