Properties

Label 2-7942-1.1-c1-0-4
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 + 0.589·3-s + 4-s − 3.50·5-s − 0.589·6-s − 2.22·7-s − 8-s − 2.65·9-s + 3.50·10-s + 11-s + 0.589·12-s − 0.880·13-s + 2.22·14-s − 2.06·15-s + 16-s + 6.14·17-s + 2.65·18-s − 3.50·20-s − 1.31·21-s − 22-s − 2.19·23-s − 0.589·24-s + 7.31·25-s + 0.880·26-s − 3.33·27-s − 2.22·28-s − 2.43·29-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.340·3-s + 0.5·4-s − 1.56·5-s − 0.240·6-s − 0.840·7-s − 0.353·8-s − 0.884·9-s + 1.10·10-s + 0.301·11-s + 0.170·12-s − 0.244·13-s + 0.594·14-s − 0.534·15-s + 0.250·16-s + 1.49·17-s + 0.625·18-s − 0.784·20-s − 0.286·21-s − 0.213·22-s − 0.457·23-s − 0.120·24-s + 1.46·25-s + 0.172·26-s − 0.641·27-s − 0.420·28-s − 0.451·29-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

\(L(1)\) \(\approx\) \(0.3279211841\)
\(L(\frac12)\) \(\approx\) \(0.3279211841\)
\(L(\frac{3}{2})\) 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 \( 1 - 0.589T + 3T^{2} \)
5 \( 1 + 3.50T + 5T^{2} \)
7 \( 1 + 2.22T + 7T^{2} \)
13 \( 1 + 0.880T + 13T^{2} \)
17 \( 1 - 6.14T + 17T^{2} \)
23 \( 1 + 2.19T + 23T^{2} \)
29 \( 1 + 2.43T + 29T^{2} \)
31 \( 1 + 3.54T + 31T^{2} \)
37 \( 1 - 0.730T + 37T^{2} \)
41 \( 1 + 9.08T + 41T^{2} \)
43 \( 1 + 10.8T + 43T^{2} \)
47 \( 1 + 8.41T + 47T^{2} \)
53 \( 1 - 10.6T + 53T^{2} \)
59 \( 1 + 8.96T + 59T^{2} \)
61 \( 1 - 14.6T + 61T^{2} \)
67 \( 1 + 5.04T + 67T^{2} \)
71 \( 1 + 8.55T + 71T^{2} \)
73 \( 1 + 6.37T + 73T^{2} \)
79 \( 1 + 11.1T + 79T^{2} \)
83 \( 1 + 17.1T + 83T^{2} \)
89 \( 1 - 12.7T + 89T^{2} \)
97 \( 1 + 6.55T + 97T^{2} \)
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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

−7.903576170050393821278167141593, −7.35621943226197556938752505126, −6.72505655059218536874126420665, −5.87221152221100534967396266719, −5.10206584790432872034985863001, −3.95023068339566366770375952392, −3.35324674377750242687256999330, −2.95391547321472452125020916883, −1.62293295418966383700710624649, −0.30528402928927473362800048543, 0.30528402928927473362800048543, 1.62293295418966383700710624649, 2.95391547321472452125020916883, 3.35324674377750242687256999330, 3.95023068339566366770375952392, 5.10206584790432872034985863001, 5.87221152221100534967396266719, 6.72505655059218536874126420665, 7.35621943226197556938752505126, 7.903576170050393821278167141593

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