Properties

Label 2-7942-1.1-c1-0-111
Degree $2$
Conductor $7942$
Sign $1$
Analytic cond. $63.4171$
Root an. cond. $7.96349$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s − 0.590·3-s + 4-s − 1.61·5-s − 0.590·6-s + 3.93·7-s + 8-s − 2.65·9-s − 1.61·10-s + 11-s − 0.590·12-s + 2.64·13-s + 3.93·14-s + 0.951·15-s + 16-s + 7.76·17-s − 2.65·18-s − 1.61·20-s − 2.32·21-s + 22-s + 5.05·23-s − 0.590·24-s − 2.40·25-s + 2.64·26-s + 3.33·27-s + 3.93·28-s + 2.32·29-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.340·3-s + 0.5·4-s − 0.720·5-s − 0.241·6-s + 1.48·7-s + 0.353·8-s − 0.883·9-s − 0.509·10-s + 0.301·11-s − 0.170·12-s + 0.734·13-s + 1.05·14-s + 0.245·15-s + 0.250·16-s + 1.88·17-s − 0.624·18-s − 0.360·20-s − 0.507·21-s + 0.213·22-s + 1.05·23-s − 0.120·24-s − 0.480·25-s + 0.519·26-s + 0.642·27-s + 0.743·28-s + 0.432·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7942 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7942 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7942\)    =    \(2 \cdot 11 \cdot 19^{2}\)
Sign: $1$
Analytic conductor: \(63.4171\)
Root analytic conductor: \(7.96349\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7942,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.383540527\)
\(L(\frac12)\) \(\approx\) \(3.383540527\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
11 \( 1 - T \)
19 \( 1 \)
good3 \( 1 + 0.590T + 3T^{2} \)
5 \( 1 + 1.61T + 5T^{2} \)
7 \( 1 - 3.93T + 7T^{2} \)
13 \( 1 - 2.64T + 13T^{2} \)
17 \( 1 - 7.76T + 17T^{2} \)
23 \( 1 - 5.05T + 23T^{2} \)
29 \( 1 - 2.32T + 29T^{2} \)
31 \( 1 - 2.49T + 31T^{2} \)
37 \( 1 + 4.93T + 37T^{2} \)
41 \( 1 - 3.11T + 41T^{2} \)
43 \( 1 - 11.0T + 43T^{2} \)
47 \( 1 + 8.20T + 47T^{2} \)
53 \( 1 + 4.63T + 53T^{2} \)
59 \( 1 + 3.84T + 59T^{2} \)
61 \( 1 + 13.1T + 61T^{2} \)
67 \( 1 + 9.53T + 67T^{2} \)
71 \( 1 + 9.92T + 71T^{2} \)
73 \( 1 - 3.69T + 73T^{2} \)
79 \( 1 + 4.90T + 79T^{2} \)
83 \( 1 - 3.01T + 83T^{2} \)
89 \( 1 + 5.80T + 89T^{2} \)
97 \( 1 - 10.8T + 97T^{2} \)
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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

−7.68213346101881853413996267804, −7.35140881910838009952478543350, −6.09730103476465897992494738518, −5.80344152078073792395188687674, −4.89873508404469546062909711810, −4.51392079213300009188318941498, −3.48414620706396544958625173185, −2.99216806870125743259748198876, −1.68938057149388482281423279847, −0.898229596006179263598435738851, 0.898229596006179263598435738851, 1.68938057149388482281423279847, 2.99216806870125743259748198876, 3.48414620706396544958625173185, 4.51392079213300009188318941498, 4.89873508404469546062909711810, 5.80344152078073792395188687674, 6.09730103476465897992494738518, 7.35140881910838009952478543350, 7.68213346101881853413996267804

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