Properties

Conductor 12
Order 2
Real yes
Primitive no
Minimal yes
Parity even
Orbit label 84.e

Related objects

Learn more about

Show commands for: SageMath / Pari/GP
sage: from dirichlet_conrey import DirichletGroup_conrey # requires nonstandard Sage package to be installed
 
sage: H = DirichletGroup_conrey(84)
 
sage: chi = H[71]
 
pari: [g,chi] = znchar(Mod(71,84))
 

Basic properties

sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Conductor = 12
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Order = 2
Real = yes
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1 \\ if not primitive returns [cond,factorization]
 
Primitive = no
Minimal = yes
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 
Parity = even
Orbit label = 84.e
Orbit index = 5

Galois orbit

sage: chi.sage_character().galois_orbit()
 
pari: order = charorder(g,chi)
 
pari: [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

\(\chi_{84}(71,\cdot)\)

Values on generators

\((43,29,73)\) → \((-1,-1,1)\)

Values

-115111317192325293137
\(1\)\(1\)\(-1\)\(1\)\(1\)\(-1\)\(-1\)\(1\)\(1\)\(-1\)\(-1\)\(1\)
value at  e.g. 2

Related number fields

Field of values \(\Q\)

Gauss sum

sage: chi.sage_character().gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 84 }(71,·) )\;\) at \(\;a = \) e.g. 2
\(\displaystyle \tau_{2}(\chi_{84}(71,\cdot)) = \sum_{r\in \Z/84\Z} \chi_{84}(71,r) e\left(\frac{r}{42}\right) = 0.0 \)

Jacobi sum

sage: chi.sage_character().jacobi_sum(n)
 
\( J(\chi_{ 84 }(71,·),\chi_{ 84 }(n,·)) \;\) for \( \; n = \) e.g. 1
\( \displaystyle J(\chi_{84}(71,\cdot),\chi_{84}(1,\cdot)) = \sum_{r\in \Z/84\Z} \chi_{84}(71,r) \chi_{84}(1,1-r) = 0 \)

Kloosterman sum

sage: chi.sage_character().kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 84 }(71,·)) \;\) at \(\; a,b = \) e.g. 1,2
\( \displaystyle K(1,2,\chi_{84}(71,·)) = \sum_{r \in \Z/84\Z} \chi_{84}(71,r) e\left(\frac{1 r + 2 r^{-1}}{84}\right) = -0.0 \)