Properties

Label 2-7938-1.1-c1-0-49
Degree $2$
Conductor $7938$
Sign $1$
Analytic cond. $63.3852$
Root an. cond. $7.96148$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 4-s − 3·5-s + 8-s − 3·10-s + 6·11-s − 2·13-s + 16-s + 6·17-s + 7·19-s − 3·20-s + 6·22-s − 3·23-s + 4·25-s − 2·26-s − 6·29-s − 2·31-s + 32-s + 6·34-s + 2·37-s + 7·38-s − 3·40-s + 2·43-s + 6·44-s − 3·46-s + 4·50-s − 2·52-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s − 1.34·5-s + 0.353·8-s − 0.948·10-s + 1.80·11-s − 0.554·13-s + 1/4·16-s + 1.45·17-s + 1.60·19-s − 0.670·20-s + 1.27·22-s − 0.625·23-s + 4/5·25-s − 0.392·26-s − 1.11·29-s − 0.359·31-s + 0.176·32-s + 1.02·34-s + 0.328·37-s + 1.13·38-s − 0.474·40-s + 0.304·43-s + 0.904·44-s − 0.442·46-s + 0.565·50-s − 0.277·52-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7938,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.948191922\)
\(L(\frac12)\) \(\approx\) \(2.948191922\)
\(L(\frac{3}{2})\) 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 \( 1 + 3 T + p T^{2} \)
11 \( 1 - 6 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 - 6 T + p T^{2} \)
19 \( 1 - 7 T + p T^{2} \)
23 \( 1 + 3 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + 2 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 - 2 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 + 5 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 + 3 T + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 - 5 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 + p T^{2} \)
97 \( 1 + 2 T + p T^{2} \)
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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

−7.52615826214804217802768055243, −7.37366030853115071117514084487, −6.43237543258924286821522381914, −5.69590077176605674126774733821, −4.95489136451730675655372502871, −4.10633662675451992991393928266, −3.61372912707775721400155498287, −3.12413911599566555674994589114, −1.74168813292646473234241379022, −0.801100700285570341020354788436, 0.801100700285570341020354788436, 1.74168813292646473234241379022, 3.12413911599566555674994589114, 3.61372912707775721400155498287, 4.10633662675451992991393928266, 4.95489136451730675655372502871, 5.69590077176605674126774733821, 6.43237543258924286821522381914, 7.37366030853115071117514084487, 7.52615826214804217802768055243

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