Properties

Label 215.3
Modulus $215$
Conductor $215$
Order $84$
Real no
Primitive yes
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(215, base_ring=CyclotomicField(84))
 
M = H._module
 
chi = DirichletCharacter(H, M([63,2]))
 
pari: [g,chi] = znchar(Mod(3,215))
 

Basic properties

Modulus: \(215\)
Conductor: \(215\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(84\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 215.x

\(\chi_{215}(3,\cdot)\) \(\chi_{215}(12,\cdot)\) \(\chi_{215}(18,\cdot)\) \(\chi_{215}(28,\cdot)\) \(\chi_{215}(33,\cdot)\) \(\chi_{215}(48,\cdot)\) \(\chi_{215}(62,\cdot)\) \(\chi_{215}(63,\cdot)\) \(\chi_{215}(72,\cdot)\) \(\chi_{215}(73,\cdot)\) \(\chi_{215}(77,\cdot)\) \(\chi_{215}(98,\cdot)\) \(\chi_{215}(112,\cdot)\) \(\chi_{215}(132,\cdot)\) \(\chi_{215}(147,\cdot)\) \(\chi_{215}(148,\cdot)\) \(\chi_{215}(157,\cdot)\) \(\chi_{215}(158,\cdot)\) \(\chi_{215}(162,\cdot)\) \(\chi_{215}(163,\cdot)\) \(\chi_{215}(177,\cdot)\) \(\chi_{215}(192,\cdot)\) \(\chi_{215}(198,\cdot)\) \(\chi_{215}(202,\cdot)\)

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

\((87,46)\) → \((-i,e\left(\frac{1}{42}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(7\)\(8\)\(9\)\(11\)\(12\)\(13\)
\( \chi_{ 215 }(3, a) \) \(1\)\(1\)\(e\left(\frac{11}{28}\right)\)\(e\left(\frac{23}{84}\right)\)\(e\left(\frac{11}{14}\right)\)\(e\left(\frac{2}{3}\right)\)\(e\left(\frac{7}{12}\right)\)\(e\left(\frac{5}{28}\right)\)\(e\left(\frac{23}{42}\right)\)\(e\left(\frac{5}{7}\right)\)\(e\left(\frac{5}{84}\right)\)\(e\left(\frac{1}{84}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 215 }(3,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 215 }(3,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 215 }(3,·),\chi_{ 215 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 215 }(3,·)) \;\) at \(\; a,b = \) e.g. 1,2