Properties

Label 2-7938-1.1-c1-0-70
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 + 3·11-s + 5·13-s + 16-s − 3·17-s + 5·19-s + 3·20-s − 3·22-s + 3·23-s + 4·25-s − 5·26-s + 3·29-s − 4·31-s − 32-s + 3·34-s − 7·37-s − 5·38-s − 3·40-s + 9·41-s + 11·43-s + 3·44-s − 3·46-s − 4·50-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s + 1.34·5-s − 0.353·8-s − 0.948·10-s + 0.904·11-s + 1.38·13-s + 1/4·16-s − 0.727·17-s + 1.14·19-s + 0.670·20-s − 0.639·22-s + 0.625·23-s + 4/5·25-s − 0.980·26-s + 0.557·29-s − 0.718·31-s − 0.176·32-s + 0.514·34-s − 1.15·37-s − 0.811·38-s − 0.474·40-s + 1.40·41-s + 1.67·43-s + 0.452·44-s − 0.442·46-s − 0.565·50-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

\(L(1)\) \(\approx\) \(2.480186275\)
\(L(\frac12)\) \(\approx\) \(2.480186275\)
\(L(\frac{3}{2})\) 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 \( 1 - 3 T + p T^{2} \)
13 \( 1 - 5 T + p T^{2} \)
17 \( 1 + 3 T + p T^{2} \)
19 \( 1 - 5 T + p T^{2} \)
23 \( 1 - 3 T + p T^{2} \)
29 \( 1 - 3 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 7 T + p T^{2} \)
41 \( 1 - 9 T + p T^{2} \)
43 \( 1 - 11 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - 3 T + p T^{2} \)
59 \( 1 + 12 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 11 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 + 3 T + p T^{2} \)
89 \( 1 + 15 T + p T^{2} \)
97 \( 1 + T + p T^{2} \)
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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

−7.896002824468772867124887944069, −7.07202718802802904935959006447, −6.46875631266383359362488705130, −5.91268239024181105516050122771, −5.32856756153549633712530519017, −4.22867621208890304786890304181, −3.36102455812602222403938447917, −2.46283040555344333262666388733, −1.56446423333794683476342273528, −0.968458189328790095257951357426, 0.968458189328790095257951357426, 1.56446423333794683476342273528, 2.46283040555344333262666388733, 3.36102455812602222403938447917, 4.22867621208890304786890304181, 5.32856756153549633712530519017, 5.91268239024181105516050122771, 6.46875631266383359362488705130, 7.07202718802802904935959006447, 7.896002824468772867124887944069

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