Properties

Label 2678.9
Modulus $2678$
Conductor $1339$
Order $51$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2678, base_ring=CyclotomicField(102))
 
M = H._module
 
chi = DirichletCharacter(H, M([68,78]))
 
pari: [g,chi] = znchar(Mod(9,2678))
 

Basic properties

Modulus: \(2678\)
Conductor: \(1339\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(51\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1339}(9,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 2678.bj

\(\chi_{2678}(9,\cdot)\) \(\chi_{2678}(61,\cdot)\) \(\chi_{2678}(81,\cdot)\) \(\chi_{2678}(133,\cdot)\) \(\chi_{2678}(373,\cdot)\) \(\chi_{2678}(425,\cdot)\) \(\chi_{2678}(523,\cdot)\) \(\chi_{2678}(529,\cdot)\) \(\chi_{2678}(549,\cdot)\) \(\chi_{2678}(581,\cdot)\) \(\chi_{2678}(627,\cdot)\) \(\chi_{2678}(679,\cdot)\) \(\chi_{2678}(711,\cdot)\) \(\chi_{2678}(991,\cdot)\) \(\chi_{2678}(1043,\cdot)\) \(\chi_{2678}(1147,\cdot)\) \(\chi_{2678}(1199,\cdot)\) \(\chi_{2678}(1205,\cdot)\) \(\chi_{2678}(1329,\cdot)\) \(\chi_{2678}(1439,\cdot)\) \(\chi_{2678}(1465,\cdot)\) \(\chi_{2678}(1621,\cdot)\) \(\chi_{2678}(1823,\cdot)\) \(\chi_{2678}(1933,\cdot)\) \(\chi_{2678}(2057,\cdot)\) \(\chi_{2678}(2083,\cdot)\) \(\chi_{2678}(2141,\cdot)\) \(\chi_{2678}(2193,\cdot)\) \(\chi_{2678}(2239,\cdot)\) \(\chi_{2678}(2551,\cdot)\) ...

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: $\Q(\zeta_{51})$
Fixed field: Number field defined by a degree 51 polynomial

Values on generators

\((1237,417)\) → \((e\left(\frac{2}{3}\right),e\left(\frac{13}{17}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(11\)\(15\)\(17\)\(19\)\(21\)\(23\)
\( \chi_{ 2678 }(9, a) \) \(1\)\(1\)\(e\left(\frac{25}{51}\right)\)\(e\left(\frac{13}{17}\right)\)\(e\left(\frac{20}{51}\right)\)\(e\left(\frac{50}{51}\right)\)\(e\left(\frac{16}{51}\right)\)\(e\left(\frac{13}{51}\right)\)\(e\left(\frac{44}{51}\right)\)\(e\left(\frac{26}{51}\right)\)\(e\left(\frac{15}{17}\right)\)\(e\left(\frac{1}{51}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 2678 }(9,a) \;\) at \(\;a = \) e.g. 2