Properties

Label 2-51870-1.1-c1-0-32
Degree $2$
Conductor $51870$
Sign $-1$
Analytic cond. $414.184$
Root an. cond. $20.3515$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s − 3-s + 4-s − 5-s + 6-s − 7-s − 8-s + 9-s + 10-s − 4·11-s − 12-s + 13-s + 14-s + 15-s + 16-s − 2·17-s − 18-s + 19-s − 20-s + 21-s + 4·22-s − 4·23-s + 24-s + 25-s − 26-s − 27-s − 28-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.577·3-s + 1/2·4-s − 0.447·5-s + 0.408·6-s − 0.377·7-s − 0.353·8-s + 1/3·9-s + 0.316·10-s − 1.20·11-s − 0.288·12-s + 0.277·13-s + 0.267·14-s + 0.258·15-s + 1/4·16-s − 0.485·17-s − 0.235·18-s + 0.229·19-s − 0.223·20-s + 0.218·21-s + 0.852·22-s − 0.834·23-s + 0.204·24-s + 1/5·25-s − 0.196·26-s − 0.192·27-s − 0.188·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 51870 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 51870 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(51870\)    =    \(2 \cdot 3 \cdot 5 \cdot 7 \cdot 13 \cdot 19\)
Sign: $-1$
Analytic conductor: \(414.184\)
Root analytic conductor: \(20.3515\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 51870,\ (\ :1/2),\ -1)\)

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 \( 1 + T \)
5 \( 1 + T \)
7 \( 1 + T \)
13 \( 1 - T \)
19 \( 1 - T \)
good11 \( 1 + 4 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 + 12 T + p T^{2} \)
61 \( 1 - 14 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 - 14 T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 + 2 T + p T^{2} \)
97 \( 1 - 6 T + p T^{2} \)
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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

−14.98381621006065, −14.24990987866421, −13.49022419331829, −13.22959604124563, −12.61941592944475, −11.89368131014054, −11.79335078924690, −10.96234575479436, −10.66886641364014, −10.07267311456698, −9.727924247605266, −9.002591534296143, −8.229820454414828, −8.165139139303893, −7.307280155986797, −6.876213391858927, −6.361611877483411, −5.633627760579162, −5.153224629018167, −4.548806813026445, −3.562721174507250, −3.292905158410722, −2.228022942657294, −1.757545563103476, −0.6140025902457494, 0, 0.6140025902457494, 1.757545563103476, 2.228022942657294, 3.292905158410722, 3.562721174507250, 4.548806813026445, 5.153224629018167, 5.633627760579162, 6.361611877483411, 6.876213391858927, 7.307280155986797, 8.165139139303893, 8.229820454414828, 9.002591534296143, 9.727924247605266, 10.07267311456698, 10.66886641364014, 10.96234575479436, 11.79335078924690, 11.89368131014054, 12.61941592944475, 13.22959604124563, 13.49022419331829, 14.24990987866421, 14.98381621006065

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