Properties

Label 2500.7
Modulus $2500$
Conductor $500$
Order $100$
Real no
Primitive no
Minimal no
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2500, base_ring=CyclotomicField(100))
 
M = H._module
 
chi = DirichletCharacter(H, M([50,97]))
 
pari: [g,chi] = znchar(Mod(7,2500))
 

Basic properties

Modulus: \(2500\)
Conductor: \(500\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(100\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{500}(47,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: no
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2500.r

\(\chi_{2500}(7,\cdot)\) \(\chi_{2500}(43,\cdot)\) \(\chi_{2500}(107,\cdot)\) \(\chi_{2500}(143,\cdot)\) \(\chi_{2500}(207,\cdot)\) \(\chi_{2500}(243,\cdot)\) \(\chi_{2500}(343,\cdot)\) \(\chi_{2500}(407,\cdot)\) \(\chi_{2500}(507,\cdot)\) \(\chi_{2500}(543,\cdot)\) \(\chi_{2500}(607,\cdot)\) \(\chi_{2500}(643,\cdot)\) \(\chi_{2500}(707,\cdot)\) \(\chi_{2500}(743,\cdot)\) \(\chi_{2500}(843,\cdot)\) \(\chi_{2500}(907,\cdot)\) \(\chi_{2500}(1007,\cdot)\) \(\chi_{2500}(1043,\cdot)\) \(\chi_{2500}(1107,\cdot)\) \(\chi_{2500}(1143,\cdot)\) \(\chi_{2500}(1207,\cdot)\) \(\chi_{2500}(1243,\cdot)\) \(\chi_{2500}(1343,\cdot)\) \(\chi_{2500}(1407,\cdot)\) \(\chi_{2500}(1507,\cdot)\) \(\chi_{2500}(1543,\cdot)\) \(\chi_{2500}(1607,\cdot)\) \(\chi_{2500}(1643,\cdot)\) \(\chi_{2500}(1707,\cdot)\) \(\chi_{2500}(1743,\cdot)\) ...

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: $\Q(\zeta_{100})$
Fixed field: Number field defined by a degree 100 polynomial

Values on generators

\((1251,1877)\) → \((-1,e\left(\frac{97}{100}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 2500 }(7, a) \) \(1\)\(1\)\(e\left(\frac{29}{100}\right)\)\(e\left(\frac{19}{20}\right)\)\(e\left(\frac{29}{50}\right)\)\(e\left(\frac{11}{50}\right)\)\(e\left(\frac{83}{100}\right)\)\(e\left(\frac{81}{100}\right)\)\(e\left(\frac{24}{25}\right)\)\(e\left(\frac{6}{25}\right)\)\(e\left(\frac{57}{100}\right)\)\(e\left(\frac{87}{100}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2500 }(7,a) \;\) at \(\;a = \) e.g. 2