Properties

Label 290.77
Modulus $290$
Conductor $145$
Order $28$
Real no
Primitive no
Minimal yes
Parity even

Related objects

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Show commands: Pari/GP / SageMath
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(290, base_ring=CyclotomicField(28)) M = H._module chi = DirichletCharacter(H, M([7,9]))
 
Copy content pari:[g,chi] = znchar(Mod(77,290))
 

Basic properties

Modulus: \(290\)
Conductor: \(145\)
Copy content sage:chi.conductor()
 
Copy content pari:znconreyconductor(g,chi)
 
Order: \(28\)
Copy content sage:chi.multiplicative_order()
 
Copy content pari:charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{145}(77,\cdot)\)
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 290.t

\(\chi_{290}(73,\cdot)\) \(\chi_{290}(77,\cdot)\) \(\chi_{290}(113,\cdot)\) \(\chi_{290}(127,\cdot)\) \(\chi_{290}(137,\cdot)\) \(\chi_{290}(143,\cdot)\) \(\chi_{290}(147,\cdot)\) \(\chi_{290}(153,\cdot)\) \(\chi_{290}(163,\cdot)\) \(\chi_{290}(177,\cdot)\) \(\chi_{290}(213,\cdot)\) \(\chi_{290}(217,\cdot)\)

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: \(\Q(\zeta_{28})\)
Fixed field: 28.28.1455848000512373226044338588471370773272037506103515625.1

Values on generators

\((117,31)\) → \((i,e\left(\frac{9}{28}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(7\)\(9\)\(11\)\(13\)\(17\)\(19\)\(21\)\(23\)\(27\)
\( \chi_{ 290 }(77, a) \) \(1\)\(1\)\(e\left(\frac{5}{14}\right)\)\(e\left(\frac{3}{28}\right)\)\(e\left(\frac{5}{7}\right)\)\(e\left(\frac{1}{28}\right)\)\(e\left(\frac{15}{28}\right)\)\(1\)\(e\left(\frac{11}{28}\right)\)\(e\left(\frac{13}{28}\right)\)\(e\left(\frac{5}{28}\right)\)\(e\left(\frac{1}{14}\right)\)
Copy content sage:chi.jacobi_sum(n)
 
\( \chi_{ 290 }(77,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

Copy content sage:chi.gauss_sum(a)
 
Copy content pari:znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 290 }(77,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

Copy content sage:chi.jacobi_sum(n)
 
\( J(\chi_{ 290 }(77,·),\chi_{ 290 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

Copy content sage:chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 290 }(77,·)) \;\) at \(\; a,b = \) e.g. 1,2