Properties

Label 2-7942-1.1-c1-0-127
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 + 1.96·3-s + 4-s + 0.342·5-s − 1.96·6-s + 2.97·7-s − 8-s + 0.842·9-s − 0.342·10-s − 11-s + 1.96·12-s + 5.18·13-s − 2.97·14-s + 0.670·15-s + 16-s − 1.22·17-s − 0.842·18-s + 0.342·20-s + 5.83·21-s + 22-s + 9.22·23-s − 1.96·24-s − 4.88·25-s − 5.18·26-s − 4.22·27-s + 2.97·28-s + 2.96·29-s + ⋯
L(s)  = 1  − 0.707·2-s + 1.13·3-s + 0.5·4-s + 0.152·5-s − 0.800·6-s + 1.12·7-s − 0.353·8-s + 0.280·9-s − 0.108·10-s − 0.301·11-s + 0.565·12-s + 1.43·13-s − 0.796·14-s + 0.173·15-s + 0.250·16-s − 0.296·17-s − 0.198·18-s + 0.0764·20-s + 1.27·21-s + 0.213·22-s + 1.92·23-s − 0.400·24-s − 0.976·25-s − 1.01·26-s − 0.814·27-s + 0.563·28-s + 0.550·29-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

\(L(1)\) \(\approx\) \(2.971021392\)
\(L(\frac12)\) \(\approx\) \(2.971021392\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.96T + 3T^{2} \)
5 \( 1 - 0.342T + 5T^{2} \)
7 \( 1 - 2.97T + 7T^{2} \)
13 \( 1 - 5.18T + 13T^{2} \)
17 \( 1 + 1.22T + 17T^{2} \)
23 \( 1 - 9.22T + 23T^{2} \)
29 \( 1 - 2.96T + 29T^{2} \)
31 \( 1 - 2.03T + 31T^{2} \)
37 \( 1 + 0.918T + 37T^{2} \)
41 \( 1 - 8.14T + 41T^{2} \)
43 \( 1 - 8.17T + 43T^{2} \)
47 \( 1 - 0.0493T + 47T^{2} \)
53 \( 1 + 4.78T + 53T^{2} \)
59 \( 1 + 3.40T + 59T^{2} \)
61 \( 1 + 12.4T + 61T^{2} \)
67 \( 1 + 3.70T + 67T^{2} \)
71 \( 1 - 16.0T + 71T^{2} \)
73 \( 1 + 6.87T + 73T^{2} \)
79 \( 1 - 3.35T + 79T^{2} \)
83 \( 1 - 15.3T + 83T^{2} \)
89 \( 1 - 6.78T + 89T^{2} \)
97 \( 1 - 11.6T + 97T^{2} \)
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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

−7.84407808281384022498185705952, −7.65492336762539175135833764318, −6.57724954555007665820921865022, −5.89401795464774045797146547272, −5.01443822944401607825446742194, −4.15667441290628062079474722050, −3.27800706161787006971311466276, −2.57709177083257225066204230589, −1.75460470617714496374176581214, −0.957272294718045335459950003103, 0.957272294718045335459950003103, 1.75460470617714496374176581214, 2.57709177083257225066204230589, 3.27800706161787006971311466276, 4.15667441290628062079474722050, 5.01443822944401607825446742194, 5.89401795464774045797146547272, 6.57724954555007665820921865022, 7.65492336762539175135833764318, 7.84407808281384022498185705952

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