Properties

Label 242.7
Modulus $242$
Conductor $121$
Order $110$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(242, base_ring=CyclotomicField(110))
 
M = H._module
 
chi = DirichletCharacter(H, M([7]))
 
pari: [g,chi] = znchar(Mod(7,242))
 

Basic properties

Modulus: \(242\)
Conductor: \(121\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(110\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{121}(7,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 242.h

\(\chi_{242}(7,\cdot)\) \(\chi_{242}(13,\cdot)\) \(\chi_{242}(17,\cdot)\) \(\chi_{242}(19,\cdot)\) \(\chi_{242}(29,\cdot)\) \(\chi_{242}(35,\cdot)\) \(\chi_{242}(39,\cdot)\) \(\chi_{242}(41,\cdot)\) \(\chi_{242}(51,\cdot)\) \(\chi_{242}(57,\cdot)\) \(\chi_{242}(61,\cdot)\) \(\chi_{242}(63,\cdot)\) \(\chi_{242}(73,\cdot)\) \(\chi_{242}(79,\cdot)\) \(\chi_{242}(83,\cdot)\) \(\chi_{242}(85,\cdot)\) \(\chi_{242}(95,\cdot)\) \(\chi_{242}(101,\cdot)\) \(\chi_{242}(105,\cdot)\) \(\chi_{242}(107,\cdot)\) \(\chi_{242}(117,\cdot)\) \(\chi_{242}(123,\cdot)\) \(\chi_{242}(127,\cdot)\) \(\chi_{242}(129,\cdot)\) \(\chi_{242}(139,\cdot)\) \(\chi_{242}(145,\cdot)\) \(\chi_{242}(149,\cdot)\) \(\chi_{242}(151,\cdot)\) \(\chi_{242}(167,\cdot)\) \(\chi_{242}(171,\cdot)\) ...

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: $\Q(\zeta_{55})$
Fixed field: Number field defined by a degree 110 polynomial (not computed)

Values on generators

\(123\) → \(e\left(\frac{7}{110}\right)\)

First values

\(a\) \(-1\)\(1\)\(3\)\(5\)\(7\)\(9\)\(13\)\(15\)\(17\)\(19\)\(21\)\(23\)
\( \chi_{ 242 }(7, a) \) \(-1\)\(1\)\(e\left(\frac{3}{5}\right)\)\(e\left(\frac{39}{55}\right)\)\(e\left(\frac{49}{110}\right)\)\(e\left(\frac{1}{5}\right)\)\(e\left(\frac{47}{110}\right)\)\(e\left(\frac{17}{55}\right)\)\(e\left(\frac{13}{110}\right)\)\(e\left(\frac{31}{110}\right)\)\(e\left(\frac{1}{22}\right)\)\(e\left(\frac{5}{11}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 242 }(7,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 242 }(7,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 242 }(7,·),\chi_{ 242 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 242 }(7,·)) \;\) at \(\; a,b = \) e.g. 1,2