Properties

Label 2-7938-1.1-c1-0-100
Degree $2$
Conductor $7938$
Sign $-1$
Analytic cond. $63.3852$
Root an. cond. $7.96148$
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 + 4-s − 1.88·5-s − 8-s + 1.88·10-s + 0.732·11-s + 7.01·13-s + 16-s + 3.25·17-s − 5.13·19-s − 1.88·20-s − 0.732·22-s − 1.26·23-s − 1.46·25-s − 7.01·26-s − 29-s − 1.37·31-s − 32-s − 3.25·34-s − 5.19·37-s + 5.13·38-s + 1.88·40-s − 6.51·41-s + 10.9·43-s + 0.732·44-s + 1.26·46-s − 5.13·47-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.5·4-s − 0.840·5-s − 0.353·8-s + 0.594·10-s + 0.220·11-s + 1.94·13-s + 0.250·16-s + 0.789·17-s − 1.17·19-s − 0.420·20-s − 0.156·22-s − 0.264·23-s − 0.292·25-s − 1.37·26-s − 0.185·29-s − 0.247·31-s − 0.176·32-s − 0.558·34-s − 0.854·37-s + 0.833·38-s + 0.297·40-s − 1.01·41-s + 1.66·43-s + 0.110·44-s + 0.186·46-s − 0.749·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7938 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7938 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7938\)    =    \(2 \cdot 3^{4} \cdot 7^{2}\)
Sign: $-1$
Analytic conductor: \(63.3852\)
Root analytic conductor: \(7.96148\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 7938,\ (\ :1/2),\ -1)\)

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 \( 1 + T \)
3 \( 1 \)
7 \( 1 \)
good5 \( 1 + 1.88T + 5T^{2} \)
11 \( 1 - 0.732T + 11T^{2} \)
13 \( 1 - 7.01T + 13T^{2} \)
17 \( 1 - 3.25T + 17T^{2} \)
19 \( 1 + 5.13T + 19T^{2} \)
23 \( 1 + 1.26T + 23T^{2} \)
29 \( 1 + T + 29T^{2} \)
31 \( 1 + 1.37T + 31T^{2} \)
37 \( 1 + 5.19T + 37T^{2} \)
41 \( 1 + 6.51T + 41T^{2} \)
43 \( 1 - 10.9T + 43T^{2} \)
47 \( 1 + 5.13T + 47T^{2} \)
53 \( 1 + 8.39T + 53T^{2} \)
59 \( 1 + 11.6T + 59T^{2} \)
61 \( 1 + 0.503T + 61T^{2} \)
67 \( 1 - 9.66T + 67T^{2} \)
71 \( 1 + 10.9T + 71T^{2} \)
73 \( 1 - 1.88T + 73T^{2} \)
79 \( 1 - 3.66T + 79T^{2} \)
83 \( 1 - 8.89T + 83T^{2} \)
89 \( 1 - 10.7T + 89T^{2} \)
97 \( 1 - 14.0T + 97T^{2} \)
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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

−7.86125141364713702483630076126, −6.82026205669427947528884212094, −6.26065918921078081179565083060, −5.63534921917094030783097417830, −4.50953340919533019406736802243, −3.71318964380789984331453486367, −3.29298737397199806871255144878, −1.98062175652241331152461973520, −1.16637233150690820848915824995, 0, 1.16637233150690820848915824995, 1.98062175652241331152461973520, 3.29298737397199806871255144878, 3.71318964380789984331453486367, 4.50953340919533019406736802243, 5.63534921917094030783097417830, 6.26065918921078081179565083060, 6.82026205669427947528884212094, 7.86125141364713702483630076126

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