Properties

Label 2000.31
Modulus $2000$
Conductor $500$
Order $50$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2000, base_ring=CyclotomicField(50))
 
M = H._module
 
chi = DirichletCharacter(H, M([25,0,24]))
 
pari: [g,chi] = znchar(Mod(31,2000))
 

Basic properties

Modulus: \(2000\)
Conductor: \(500\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(50\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{500}(31,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2000.bv

\(\chi_{2000}(31,\cdot)\) \(\chi_{2000}(111,\cdot)\) \(\chi_{2000}(191,\cdot)\) \(\chi_{2000}(271,\cdot)\) \(\chi_{2000}(431,\cdot)\) \(\chi_{2000}(511,\cdot)\) \(\chi_{2000}(591,\cdot)\) \(\chi_{2000}(671,\cdot)\) \(\chi_{2000}(831,\cdot)\) \(\chi_{2000}(911,\cdot)\) \(\chi_{2000}(991,\cdot)\) \(\chi_{2000}(1071,\cdot)\) \(\chi_{2000}(1231,\cdot)\) \(\chi_{2000}(1311,\cdot)\) \(\chi_{2000}(1391,\cdot)\) \(\chi_{2000}(1471,\cdot)\) \(\chi_{2000}(1631,\cdot)\) \(\chi_{2000}(1711,\cdot)\) \(\chi_{2000}(1791,\cdot)\) \(\chi_{2000}(1871,\cdot)\)

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: \(\Q(\zeta_{25})\)
Fixed field: Number field defined by a degree 50 polynomial

Values on generators

\((751,501,1377)\) → \((-1,1,e\left(\frac{12}{25}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 2000 }(31, a) \) \(-1\)\(1\)\(e\left(\frac{43}{50}\right)\)\(e\left(\frac{3}{10}\right)\)\(e\left(\frac{18}{25}\right)\)\(e\left(\frac{49}{50}\right)\)\(e\left(\frac{18}{25}\right)\)\(e\left(\frac{1}{25}\right)\)\(e\left(\frac{7}{50}\right)\)\(e\left(\frac{4}{25}\right)\)\(e\left(\frac{19}{50}\right)\)\(e\left(\frac{29}{50}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2000 }(31,a) \;\) at \(\;a = \) e.g. 2