Properties

Label 7742.3973
Modulus $7742$
Conductor $3871$
Order $21$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: Pari/GP / SageMath
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(7742, base_ring=CyclotomicField(42)) M = H._module chi = DirichletCharacter(H, M([10,14]))
 
Copy content pari:[g,chi] = znchar(Mod(3973,7742))
 

Basic properties

Modulus: \(7742\)
Conductor: \(3871\)
Copy content sage:chi.conductor()
 
Copy content pari:znconreyconductor(g,chi)
 
Order: \(21\)
Copy content sage:chi.multiplicative_order()
 
Copy content pari:charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{3871}(102,\cdot)\)
Copy content sage:chi.is_primitive()
 
Copy content pari:#znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
Copy content sage:chi.is_odd()
 
Copy content pari:zncharisodd(g,chi)
 

Galois orbit 7742.z

\(\chi_{7742}(1003,\cdot)\) \(\chi_{7742}(1761,\cdot)\) \(\chi_{7742}(2109,\cdot)\) \(\chi_{7742}(2867,\cdot)\) \(\chi_{7742}(3973,\cdot)\) \(\chi_{7742}(4321,\cdot)\) \(\chi_{7742}(5079,\cdot)\) \(\chi_{7742}(5427,\cdot)\) \(\chi_{7742}(6185,\cdot)\) \(\chi_{7742}(6533,\cdot)\) \(\chi_{7742}(7291,\cdot)\) \(\chi_{7742}(7639,\cdot)\)

Copy content sage:chi.galois_orbit()
 
Copy content pari:order = charorder(g,chi) [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: \(\Q(\zeta_{21})\)
Fixed field: Number field defined by a degree 21 polynomial

Values on generators

\((2845,4901)\) → \((e\left(\frac{5}{21}\right),e\left(\frac{1}{3}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(9\)\(11\)\(13\)\(15\)\(17\)\(19\)\(23\)\(25\)
\( \chi_{ 7742 }(3973, a) \) \(1\)\(1\)\(e\left(\frac{4}{7}\right)\)\(e\left(\frac{4}{7}\right)\)\(e\left(\frac{1}{7}\right)\)\(e\left(\frac{4}{21}\right)\)\(e\left(\frac{4}{21}\right)\)\(e\left(\frac{1}{7}\right)\)\(e\left(\frac{20}{21}\right)\)\(1\)\(e\left(\frac{5}{7}\right)\)\(e\left(\frac{1}{7}\right)\)
Copy content sage:chi.jacobi_sum(n)
 
\( \chi_{ 7742 }(3973,a) \;\) at \(\;a = \) e.g. 2