Properties

Label 972.5
Modulus $972$
Conductor $243$
Order $162$
Real no
Primitive no
Minimal yes
Parity odd

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(972, base_ring=CyclotomicField(162))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,23]))
 
pari: [g,chi] = znchar(Mod(5,972))
 

Basic properties

Modulus: \(972\)
Conductor: \(243\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(162\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{243}(5,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 972.s

\(\chi_{972}(5,\cdot)\) \(\chi_{972}(29,\cdot)\) \(\chi_{972}(41,\cdot)\) \(\chi_{972}(65,\cdot)\) \(\chi_{972}(77,\cdot)\) \(\chi_{972}(101,\cdot)\) \(\chi_{972}(113,\cdot)\) \(\chi_{972}(137,\cdot)\) \(\chi_{972}(149,\cdot)\) \(\chi_{972}(173,\cdot)\) \(\chi_{972}(185,\cdot)\) \(\chi_{972}(209,\cdot)\) \(\chi_{972}(221,\cdot)\) \(\chi_{972}(245,\cdot)\) \(\chi_{972}(257,\cdot)\) \(\chi_{972}(281,\cdot)\) \(\chi_{972}(293,\cdot)\) \(\chi_{972}(317,\cdot)\) \(\chi_{972}(329,\cdot)\) \(\chi_{972}(353,\cdot)\) \(\chi_{972}(365,\cdot)\) \(\chi_{972}(389,\cdot)\) \(\chi_{972}(401,\cdot)\) \(\chi_{972}(425,\cdot)\) \(\chi_{972}(437,\cdot)\) \(\chi_{972}(461,\cdot)\) \(\chi_{972}(473,\cdot)\) \(\chi_{972}(497,\cdot)\) \(\chi_{972}(509,\cdot)\) \(\chi_{972}(533,\cdot)\) ...

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: $\Q(\zeta_{81})$
Fixed field: Number field defined by a degree 162 polynomial (not computed)

Values on generators

\((487,245)\) → \((1,e\left(\frac{23}{162}\right))\)

First values

\(a\) \(-1\)\(1\)\(5\)\(7\)\(11\)\(13\)\(17\)\(19\)\(23\)\(25\)\(29\)\(31\)
\( \chi_{ 972 }(5, a) \) \(-1\)\(1\)\(e\left(\frac{43}{162}\right)\)\(e\left(\frac{76}{81}\right)\)\(e\left(\frac{29}{162}\right)\)\(e\left(\frac{11}{81}\right)\)\(e\left(\frac{37}{54}\right)\)\(e\left(\frac{4}{27}\right)\)\(e\left(\frac{37}{162}\right)\)\(e\left(\frac{43}{81}\right)\)\(e\left(\frac{41}{162}\right)\)\(e\left(\frac{68}{81}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 972 }(5,a) \;\) at \(\;a = \) e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 972 }(5,·) )\;\) at \(\;a = \) e.g. 2

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 972 }(5,·),\chi_{ 972 }(n,·)) \;\) for \( \; n = \) e.g. 1

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 972 }(5,·)) \;\) at \(\; a,b = \) e.g. 1,2