Properties

Label 2-7942-1.1-c1-0-168
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 + 2.55·3-s + 4-s − 1.03·5-s + 2.55·6-s + 2.77·7-s + 8-s + 3.52·9-s − 1.03·10-s + 11-s + 2.55·12-s + 2.63·13-s + 2.77·14-s − 2.63·15-s + 16-s − 5.95·17-s + 3.52·18-s − 1.03·20-s + 7.08·21-s + 22-s + 2.55·23-s + 2.55·24-s − 3.93·25-s + 2.63·26-s + 1.34·27-s + 2.77·28-s + 2.14·29-s + ⋯
L(s)  = 1  + 0.707·2-s + 1.47·3-s + 0.5·4-s − 0.461·5-s + 1.04·6-s + 1.04·7-s + 0.353·8-s + 1.17·9-s − 0.326·10-s + 0.301·11-s + 0.737·12-s + 0.731·13-s + 0.741·14-s − 0.680·15-s + 0.250·16-s − 1.44·17-s + 0.831·18-s − 0.230·20-s + 1.54·21-s + 0.213·22-s + 0.533·23-s + 0.521·24-s − 0.787·25-s + 0.517·26-s + 0.259·27-s + 0.524·28-s + 0.397·29-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

\(L(1)\) \(\approx\) \(6.442890314\)
\(L(\frac12)\) \(\approx\) \(6.442890314\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.55T + 3T^{2} \)
5 \( 1 + 1.03T + 5T^{2} \)
7 \( 1 - 2.77T + 7T^{2} \)
13 \( 1 - 2.63T + 13T^{2} \)
17 \( 1 + 5.95T + 17T^{2} \)
23 \( 1 - 2.55T + 23T^{2} \)
29 \( 1 - 2.14T + 29T^{2} \)
31 \( 1 + 0.213T + 31T^{2} \)
37 \( 1 - 7.84T + 37T^{2} \)
41 \( 1 - 9.78T + 41T^{2} \)
43 \( 1 - 3.36T + 43T^{2} \)
47 \( 1 - 12.1T + 47T^{2} \)
53 \( 1 - 4.03T + 53T^{2} \)
59 \( 1 + 3.90T + 59T^{2} \)
61 \( 1 + 8.24T + 61T^{2} \)
67 \( 1 + 2.41T + 67T^{2} \)
71 \( 1 - 3.00T + 71T^{2} \)
73 \( 1 - 0.980T + 73T^{2} \)
79 \( 1 - 9.39T + 79T^{2} \)
83 \( 1 - 10.5T + 83T^{2} \)
89 \( 1 + 11.7T + 89T^{2} \)
97 \( 1 - 7.37T + 97T^{2} \)
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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

−7.76435012223711706062602009497, −7.43584410776283043267134472653, −6.47225214335536116114704640512, −5.75647360842118595995463595666, −4.64160784728556287845967552538, −4.21163160197716598272375178712, −3.64422290323085891971291829110, −2.64479701902380552011670169060, −2.14722450120192038704259033741, −1.12897691040664537519156137224, 1.12897691040664537519156137224, 2.14722450120192038704259033741, 2.64479701902380552011670169060, 3.64422290323085891971291829110, 4.21163160197716598272375178712, 4.64160784728556287845967552538, 5.75647360842118595995463595666, 6.47225214335536116114704640512, 7.43584410776283043267134472653, 7.76435012223711706062602009497

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