Properties

Label 2-83-83.82-c0-0-0
Degree $2$
Conductor $83$
Sign $1$
Analytic cond. $0.0414223$
Root an. cond. $0.203524$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 4-s − 7-s − 11-s − 12-s + 16-s − 17-s + 21-s + 2·23-s + 25-s + 27-s − 28-s − 29-s − 31-s + 33-s − 37-s + 2·41-s − 44-s − 48-s + 51-s − 59-s − 61-s + 64-s − 68-s − 2·69-s − 75-s + 77-s + ⋯
L(s)  = 1  − 3-s + 4-s − 7-s − 11-s − 12-s + 16-s − 17-s + 21-s + 2·23-s + 25-s + 27-s − 28-s − 29-s − 31-s + 33-s − 37-s + 2·41-s − 44-s − 48-s + 51-s − 59-s − 61-s + 64-s − 68-s − 2·69-s − 75-s + 77-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 83 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 83 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(83\)
Sign: $1$
Analytic conductor: \(0.0414223\)
Root analytic conductor: \(0.203524\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{83} (82, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 83,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.4493265963\)
\(L(\frac12)\) \(\approx\) \(0.4493265963\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad83 \( 1 - T \)
good2 \( ( 1 - T )( 1 + T ) \)
3 \( 1 + T + T^{2} \)
5 \( ( 1 - T )( 1 + T ) \)
7 \( 1 + T + T^{2} \)
11 \( 1 + T + T^{2} \)
13 \( ( 1 - T )( 1 + T ) \)
17 \( 1 + T + T^{2} \)
19 \( ( 1 - T )( 1 + T ) \)
23 \( ( 1 - T )^{2} \)
29 \( 1 + T + T^{2} \)
31 \( 1 + T + T^{2} \)
37 \( 1 + T + T^{2} \)
41 \( ( 1 - T )^{2} \)
43 \( ( 1 - T )( 1 + T ) \)
47 \( ( 1 - T )( 1 + T ) \)
53 \( ( 1 - T )( 1 + T ) \)
59 \( 1 + T + T^{2} \)
61 \( 1 + T + T^{2} \)
67 \( ( 1 - T )( 1 + T ) \)
71 \( ( 1 - T )( 1 + T ) \)
73 \( ( 1 - T )( 1 + T ) \)
79 \( ( 1 - T )( 1 + T ) \)
89 \( ( 1 - T )( 1 + T ) \)
97 \( ( 1 - T )( 1 + T ) \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−14.86356454031015697333911315034, −13.09589613086253146464545743202, −12.43990908860202224240837164010, −11.01446604629011781551544529494, −10.76555010249983891945786170955, −9.121647327898758088329847107513, −7.30510568839843872365517009292, −6.37890239293184761621864982629, −5.25394517311578314477026475826, −2.91606813106134337451054950253, 2.91606813106134337451054950253, 5.25394517311578314477026475826, 6.37890239293184761621864982629, 7.30510568839843872365517009292, 9.121647327898758088329847107513, 10.76555010249983891945786170955, 11.01446604629011781551544529494, 12.43990908860202224240837164010, 13.09589613086253146464545743202, 14.86356454031015697333911315034

Graph of the $Z$-function along the critical line