Properties

Label 28665.7816
Modulus $28665$
Conductor $5733$
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(28665, base_ring=CyclotomicField(42)) M = H._module chi = DirichletCharacter(H, M([14,0,16,14]))
 
Copy content pari:[g,chi] = znchar(Mod(7816,28665))
 

Basic properties

Modulus: \(28665\)
Conductor: \(5733\)
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 \(\chi_{5733}(2083,\cdot)\)
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 28665.wh

\(\chi_{28665}(646,\cdot)\) \(\chi_{28665}(3721,\cdot)\) \(\chi_{28665}(4741,\cdot)\) \(\chi_{28665}(7816,\cdot)\) \(\chi_{28665}(8836,\cdot)\) \(\chi_{28665}(11911,\cdot)\) \(\chi_{28665}(12931,\cdot)\) \(\chi_{28665}(16006,\cdot)\) \(\chi_{28665}(17026,\cdot)\) \(\chi_{28665}(20101,\cdot)\) \(\chi_{28665}(21121,\cdot)\) \(\chi_{28665}(24196,\cdot)\)

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

\((25481,11467,18721,11026)\) → \((e\left(\frac{1}{3}\right),1,e\left(\frac{8}{21}\right),e\left(\frac{1}{3}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(8\)\(11\)\(16\)\(17\)\(19\)\(22\)\(23\)\(29\)
\( \chi_{ 28665 }(7816, a) \) \(1\)\(1\)\(e\left(\frac{4}{7}\right)\)\(e\left(\frac{1}{7}\right)\)\(e\left(\frac{5}{7}\right)\)\(e\left(\frac{19}{21}\right)\)\(e\left(\frac{2}{7}\right)\)\(e\left(\frac{4}{21}\right)\)\(1\)\(e\left(\frac{10}{21}\right)\)\(e\left(\frac{10}{21}\right)\)\(e\left(\frac{11}{21}\right)\)
Copy content sage:chi.jacobi_sum(n)
 
\( \chi_{ 28665 }(7816,a) \;\) at \(\;a = \) e.g. 2