Properties

Label 1911.109
Modulus $1911$
Conductor $637$
Order $84$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1911, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,80,63]))
 
pari: [g,chi] = znchar(Mod(109,1911))
 

Basic properties

Modulus: \(1911\)
Conductor: \(637\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{637}(109,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 1911.ec

\(\chi_{1911}(109,\cdot)\) \(\chi_{1911}(151,\cdot)\) \(\chi_{1911}(268,\cdot)\) \(\chi_{1911}(382,\cdot)\) \(\chi_{1911}(424,\cdot)\) \(\chi_{1911}(499,\cdot)\) \(\chi_{1911}(541,\cdot)\) \(\chi_{1911}(697,\cdot)\) \(\chi_{1911}(772,\cdot)\) \(\chi_{1911}(928,\cdot)\) \(\chi_{1911}(970,\cdot)\) \(\chi_{1911}(1045,\cdot)\) \(\chi_{1911}(1087,\cdot)\) \(\chi_{1911}(1201,\cdot)\) \(\chi_{1911}(1318,\cdot)\) \(\chi_{1911}(1360,\cdot)\) \(\chi_{1911}(1474,\cdot)\) \(\chi_{1911}(1516,\cdot)\) \(\chi_{1911}(1591,\cdot)\) \(\chi_{1911}(1633,\cdot)\) \(\chi_{1911}(1747,\cdot)\) \(\chi_{1911}(1789,\cdot)\) \(\chi_{1911}(1864,\cdot)\) \(\chi_{1911}(1906,\cdot)\)

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

\((638,1522,1471)\) → \((1,e\left(\frac{20}{21}\right),-i)\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(5\)\(8\)\(10\)\(11\)\(16\)\(17\)\(19\)\(20\)
\( \chi_{ 1911 }(109, a) \) \(-1\)\(1\)\(e\left(\frac{43}{84}\right)\)\(e\left(\frac{1}{42}\right)\)\(e\left(\frac{31}{84}\right)\)\(e\left(\frac{15}{28}\right)\)\(e\left(\frac{37}{42}\right)\)\(e\left(\frac{29}{84}\right)\)\(e\left(\frac{1}{21}\right)\)\(e\left(\frac{13}{42}\right)\)\(e\left(\frac{1}{12}\right)\)\(e\left(\frac{11}{28}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 1911 }(109,a) \;\) at \(\;a = \) e.g. 2