Properties

Label 1815.17
Modulus $1815$
Conductor $1815$
Order $220$
Real no
Primitive yes
Minimal yes
Parity odd

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Show commands: Pari/GP / SageMath
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(1815, base_ring=CyclotomicField(220)) M = H._module chi = DirichletCharacter(H, M([110,55,98]))
 
Copy content pari:[g,chi] = znchar(Mod(17,1815))
 

Basic properties

Modulus: \(1815\)
Conductor: \(1815\)
Copy content sage:chi.conductor()
 
Copy content pari:znconreyconductor(g,chi)
 
Order: \(220\)
Copy content sage:chi.multiplicative_order()
 
Copy content pari:charorder(g,chi)
 
Real: no
Primitive: yes
Copy content sage:chi.is_primitive()
 
Copy content pari:#znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
Copy content sage:chi.is_odd()
 
Copy content pari:zncharisodd(g,chi)
 

Galois orbit 1815.bv

\(\chi_{1815}(2,\cdot)\) \(\chi_{1815}(8,\cdot)\) \(\chi_{1815}(17,\cdot)\) \(\chi_{1815}(62,\cdot)\) \(\chi_{1815}(68,\cdot)\) \(\chi_{1815}(83,\cdot)\) \(\chi_{1815}(107,\cdot)\) \(\chi_{1815}(128,\cdot)\) \(\chi_{1815}(167,\cdot)\) \(\chi_{1815}(173,\cdot)\) \(\chi_{1815}(182,\cdot)\) \(\chi_{1815}(227,\cdot)\) \(\chi_{1815}(248,\cdot)\) \(\chi_{1815}(272,\cdot)\) \(\chi_{1815}(293,\cdot)\) \(\chi_{1815}(332,\cdot)\) \(\chi_{1815}(338,\cdot)\) \(\chi_{1815}(347,\cdot)\) \(\chi_{1815}(392,\cdot)\) \(\chi_{1815}(398,\cdot)\) \(\chi_{1815}(413,\cdot)\) \(\chi_{1815}(437,\cdot)\) \(\chi_{1815}(458,\cdot)\) \(\chi_{1815}(497,\cdot)\) \(\chi_{1815}(503,\cdot)\) \(\chi_{1815}(512,\cdot)\) \(\chi_{1815}(557,\cdot)\) \(\chi_{1815}(563,\cdot)\) \(\chi_{1815}(623,\cdot)\) \(\chi_{1815}(662,\cdot)\) ...

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: $\Q(\zeta_{220})$
Fixed field: Number field defined by a degree 220 polynomial (not computed)

Values on generators

\((1211,727,1696)\) → \((-1,i,e\left(\frac{49}{110}\right))\)

First values

\(a\) \(-1\)\(1\)\(2\)\(4\)\(7\)\(8\)\(13\)\(14\)\(16\)\(17\)\(19\)\(23\)
\( \chi_{ 1815 }(17, a) \) \(-1\)\(1\)\(e\left(\frac{43}{220}\right)\)\(e\left(\frac{43}{110}\right)\)\(e\left(\frac{81}{220}\right)\)\(e\left(\frac{129}{220}\right)\)\(e\left(\frac{163}{220}\right)\)\(e\left(\frac{31}{55}\right)\)\(e\left(\frac{43}{55}\right)\)\(e\left(\frac{127}{220}\right)\)\(e\left(\frac{26}{55}\right)\)\(e\left(\frac{19}{44}\right)\)
Copy content sage:chi.jacobi_sum(n)
 
\( \chi_{ 1815 }(17,a) \;\) at \(\;a = \) e.g. 2