Properties

Label 2-7942-1.1-c1-0-108
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 + 2.24·3-s + 4-s − 0.981·5-s − 2.24·6-s + 4.63·7-s − 8-s + 2.05·9-s + 0.981·10-s + 11-s + 2.24·12-s − 2.46·13-s − 4.63·14-s − 2.20·15-s + 16-s − 1.22·17-s − 2.05·18-s − 0.981·20-s + 10.4·21-s − 22-s − 1.01·23-s − 2.24·24-s − 4.03·25-s + 2.46·26-s − 2.12·27-s + 4.63·28-s + 6.45·29-s + ⋯
L(s)  = 1  − 0.707·2-s + 1.29·3-s + 0.5·4-s − 0.439·5-s − 0.917·6-s + 1.75·7-s − 0.353·8-s + 0.684·9-s + 0.310·10-s + 0.301·11-s + 0.648·12-s − 0.682·13-s − 1.23·14-s − 0.569·15-s + 0.250·16-s − 0.297·17-s − 0.484·18-s − 0.219·20-s + 2.27·21-s − 0.213·22-s − 0.212·23-s − 0.458·24-s − 0.807·25-s + 0.482·26-s − 0.409·27-s + 0.876·28-s + 1.19·29-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

\(L(1)\) \(\approx\) \(2.745654601\)
\(L(\frac12)\) \(\approx\) \(2.745654601\)
\(L(\frac{3}{2})\) 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 \( 1 - 2.24T + 3T^{2} \)
5 \( 1 + 0.981T + 5T^{2} \)
7 \( 1 - 4.63T + 7T^{2} \)
13 \( 1 + 2.46T + 13T^{2} \)
17 \( 1 + 1.22T + 17T^{2} \)
23 \( 1 + 1.01T + 23T^{2} \)
29 \( 1 - 6.45T + 29T^{2} \)
31 \( 1 - 4.69T + 31T^{2} \)
37 \( 1 - 8.14T + 37T^{2} \)
41 \( 1 - 6.23T + 41T^{2} \)
43 \( 1 + 6.57T + 43T^{2} \)
47 \( 1 + 5.52T + 47T^{2} \)
53 \( 1 - 2.74T + 53T^{2} \)
59 \( 1 - 9.77T + 59T^{2} \)
61 \( 1 + 0.443T + 61T^{2} \)
67 \( 1 + 14.0T + 67T^{2} \)
71 \( 1 - 12.1T + 71T^{2} \)
73 \( 1 - 6.16T + 73T^{2} \)
79 \( 1 + 12.5T + 79T^{2} \)
83 \( 1 - 5.67T + 83T^{2} \)
89 \( 1 - 13.8T + 89T^{2} \)
97 \( 1 - 16.1T + 97T^{2} \)
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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

−7.82641003831002845709380202289, −7.71211133342156679516118471350, −6.78265948626678373052752607018, −5.83579518763803073832678982371, −4.76486651427018998304330446364, −4.31366599278744108358191553558, −3.34303195168229980503058028827, −2.41006759429599448328850559837, −1.93510102482965518096328655471, −0.875723867130178416161665772029, 0.875723867130178416161665772029, 1.93510102482965518096328655471, 2.41006759429599448328850559837, 3.34303195168229980503058028827, 4.31366599278744108358191553558, 4.76486651427018998304330446364, 5.83579518763803073832678982371, 6.78265948626678373052752607018, 7.71211133342156679516118471350, 7.82641003831002845709380202289

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