Properties

Label 2-7942-1.1-c1-0-77
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s − 1.75·3-s + 4-s − 0.498·5-s + 1.75·6-s − 5.22·7-s − 8-s + 0.0865·9-s + 0.498·10-s + 11-s − 1.75·12-s − 3.41·13-s + 5.22·14-s + 0.875·15-s + 16-s + 3.49·17-s − 0.0865·18-s − 0.498·20-s + 9.18·21-s − 22-s − 1.11·23-s + 1.75·24-s − 4.75·25-s + 3.41·26-s + 5.11·27-s − 5.22·28-s + 4.95·29-s + ⋯
L(s)  = 1  − 0.707·2-s − 1.01·3-s + 0.5·4-s − 0.222·5-s + 0.717·6-s − 1.97·7-s − 0.353·8-s + 0.0288·9-s + 0.157·10-s + 0.301·11-s − 0.507·12-s − 0.947·13-s + 1.39·14-s + 0.226·15-s + 0.250·16-s + 0.847·17-s − 0.0203·18-s − 0.111·20-s + 2.00·21-s − 0.213·22-s − 0.232·23-s + 0.358·24-s − 0.950·25-s + 0.670·26-s + 0.985·27-s − 0.988·28-s + 0.920·29-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: \(1\)
Selberg data: \((2,\ 7942,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.75T + 3T^{2} \)
5 \( 1 + 0.498T + 5T^{2} \)
7 \( 1 + 5.22T + 7T^{2} \)
13 \( 1 + 3.41T + 13T^{2} \)
17 \( 1 - 3.49T + 17T^{2} \)
23 \( 1 + 1.11T + 23T^{2} \)
29 \( 1 - 4.95T + 29T^{2} \)
31 \( 1 - 0.897T + 31T^{2} \)
37 \( 1 + 6.56T + 37T^{2} \)
41 \( 1 + 7.19T + 41T^{2} \)
43 \( 1 + 11.2T + 43T^{2} \)
47 \( 1 + 2.52T + 47T^{2} \)
53 \( 1 - 7.09T + 53T^{2} \)
59 \( 1 - 10.4T + 59T^{2} \)
61 \( 1 + 3.31T + 61T^{2} \)
67 \( 1 - 9.03T + 67T^{2} \)
71 \( 1 - 11.3T + 71T^{2} \)
73 \( 1 + 10.0T + 73T^{2} \)
79 \( 1 + 7.09T + 79T^{2} \)
83 \( 1 - 14.8T + 83T^{2} \)
89 \( 1 - 9.84T + 89T^{2} \)
97 \( 1 + 5.72T + 97T^{2} \)
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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

−7.26920851390091985946397424912, −6.76422167040768293328224595241, −6.28548105783320383492753477580, −5.60186144314548876208934683071, −4.90157012114189553832280333496, −3.64692980762906127674450663928, −3.17763308369822639514140423802, −2.16465442498387007937703134292, −0.73315323919179652700640631540, 0, 0.73315323919179652700640631540, 2.16465442498387007937703134292, 3.17763308369822639514140423802, 3.64692980762906127674450663928, 4.90157012114189553832280333496, 5.60186144314548876208934683071, 6.28548105783320383492753477580, 6.76422167040768293328224595241, 7.26920851390091985946397424912

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