Properties

Label 2-7942-1.1-c1-0-112
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 + 3.34·3-s + 4-s − 2.85·5-s + 3.34·6-s − 4.07·7-s + 8-s + 8.21·9-s − 2.85·10-s − 11-s + 3.34·12-s + 5.42·13-s − 4.07·14-s − 9.56·15-s + 16-s − 4.18·17-s + 8.21·18-s − 2.85·20-s − 13.6·21-s − 22-s − 0.463·23-s + 3.34·24-s + 3.16·25-s + 5.42·26-s + 17.4·27-s − 4.07·28-s − 1.75·29-s + ⋯
L(s)  = 1  + 0.707·2-s + 1.93·3-s + 0.5·4-s − 1.27·5-s + 1.36·6-s − 1.54·7-s + 0.353·8-s + 2.73·9-s − 0.903·10-s − 0.301·11-s + 0.966·12-s + 1.50·13-s − 1.08·14-s − 2.47·15-s + 0.250·16-s − 1.01·17-s + 1.93·18-s − 0.638·20-s − 2.97·21-s − 0.213·22-s − 0.0966·23-s + 0.683·24-s + 0.632·25-s + 1.06·26-s + 3.36·27-s − 0.770·28-s − 0.326·29-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

\(L(1)\) \(\approx\) \(4.939970108\)
\(L(\frac12)\) \(\approx\) \(4.939970108\)
\(L(\frac{3}{2})\) 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 \( 1 - 3.34T + 3T^{2} \)
5 \( 1 + 2.85T + 5T^{2} \)
7 \( 1 + 4.07T + 7T^{2} \)
13 \( 1 - 5.42T + 13T^{2} \)
17 \( 1 + 4.18T + 17T^{2} \)
23 \( 1 + 0.463T + 23T^{2} \)
29 \( 1 + 1.75T + 29T^{2} \)
31 \( 1 - 10.5T + 31T^{2} \)
37 \( 1 - 3.22T + 37T^{2} \)
41 \( 1 - 6.15T + 41T^{2} \)
43 \( 1 - 3.20T + 43T^{2} \)
47 \( 1 - 5.42T + 47T^{2} \)
53 \( 1 - 9.50T + 53T^{2} \)
59 \( 1 - 1.45T + 59T^{2} \)
61 \( 1 + 3.30T + 61T^{2} \)
67 \( 1 - 2.34T + 67T^{2} \)
71 \( 1 + 9.51T + 71T^{2} \)
73 \( 1 + 8.94T + 73T^{2} \)
79 \( 1 - 1.26T + 79T^{2} \)
83 \( 1 - 7.27T + 83T^{2} \)
89 \( 1 - 1.03T + 89T^{2} \)
97 \( 1 + 4.04T + 97T^{2} \)
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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

−7.80526882607777812229670314854, −7.26852145552725479642490368316, −6.59285098245669256519782173199, −5.96457243611261054270311231586, −4.38445835618258129448836066553, −4.14359686686886990123416119399, −3.46350501887910272306501739125, −2.95882617502264085068441892185, −2.29717216504827459176919734173, −0.900869395537799788108062279763, 0.900869395537799788108062279763, 2.29717216504827459176919734173, 2.95882617502264085068441892185, 3.46350501887910272306501739125, 4.14359686686886990123416119399, 4.38445835618258129448836066553, 5.96457243611261054270311231586, 6.59285098245669256519782173199, 7.26852145552725479642490368316, 7.80526882607777812229670314854

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