Properties

Label 847.15
Modulus $847$
Conductor $121$
Order $55$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(847, base_ring=CyclotomicField(110))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,52]))
 
pari: [g,chi] = znchar(Mod(15,847))
 

Basic properties

Modulus: \(847\)
Conductor: \(121\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(55\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{121}(15,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 847.v

\(\chi_{847}(15,\cdot)\) \(\chi_{847}(36,\cdot)\) \(\chi_{847}(64,\cdot)\) \(\chi_{847}(71,\cdot)\) \(\chi_{847}(92,\cdot)\) \(\chi_{847}(113,\cdot)\) \(\chi_{847}(141,\cdot)\) \(\chi_{847}(169,\cdot)\) \(\chi_{847}(190,\cdot)\) \(\chi_{847}(218,\cdot)\) \(\chi_{847}(225,\cdot)\) \(\chi_{847}(246,\cdot)\) \(\chi_{847}(267,\cdot)\) \(\chi_{847}(295,\cdot)\) \(\chi_{847}(302,\cdot)\) \(\chi_{847}(344,\cdot)\) \(\chi_{847}(379,\cdot)\) \(\chi_{847}(400,\cdot)\) \(\chi_{847}(421,\cdot)\) \(\chi_{847}(449,\cdot)\) \(\chi_{847}(456,\cdot)\) \(\chi_{847}(477,\cdot)\) \(\chi_{847}(498,\cdot)\) \(\chi_{847}(526,\cdot)\) \(\chi_{847}(533,\cdot)\) \(\chi_{847}(554,\cdot)\) \(\chi_{847}(575,\cdot)\) \(\chi_{847}(603,\cdot)\) \(\chi_{847}(610,\cdot)\) \(\chi_{847}(631,\cdot)\) ...

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: $\Q(\zeta_{55})$
Fixed field: Number field defined by a degree 55 polynomial

Values on generators

\((122,365)\) → \((1,e\left(\frac{26}{55}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(3\)\(4\)\(5\)\(6\)\(8\)\(9\)\(10\)\(12\)\(13\)
\( \chi_{ 847 }(15, a) \) \(1\)\(1\)\(e\left(\frac{26}{55}\right)\)\(e\left(\frac{3}{5}\right)\)\(e\left(\frac{52}{55}\right)\)\(e\left(\frac{54}{55}\right)\)\(e\left(\frac{4}{55}\right)\)\(e\left(\frac{23}{55}\right)\)\(e\left(\frac{1}{5}\right)\)\(e\left(\frac{5}{11}\right)\)\(e\left(\frac{6}{11}\right)\)\(e\left(\frac{41}{55}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 847 }(15,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 847 }(15,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 847 }(15,·),\chi_{ 847 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 847 }(15,·)) \;\) at \(\; a,b = \) e.g. 1,2