Properties

Label 2-51870-1.1-c1-0-43
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 + 24-s + 25-s + 26-s − 27-s − 28-s − 6·29-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 + 0.204·24-s + 1/5·25-s + 0.196·26-s − 0.192·27-s − 0.188·28-s − 1.11·29-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 \( 1 + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 + 4 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 - 2 T + p T^{2} \)
47 \( 1 - 2 T + p T^{2} \)
53 \( 1 + 12 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 - 14 T + p T^{2} \)
67 \( 1 + 2 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 + 4 T + p T^{2} \)
83 \( 1 - 8 T + p T^{2} \)
89 \( 1 - 8 T + p T^{2} \)
97 \( 1 - 16 T + p T^{2} \)
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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

−14.76985980096943, −14.31177883164893, −13.59731703135167, −13.08266741693407, −12.66641347081960, −12.20541018119016, −11.48849073654017, −11.11552375080668, −10.37454553034594, −10.23805364112910, −9.611417013102806, −9.136229002024182, −8.525931823520965, −7.700608268285766, −7.550931482995290, −6.827748742382031, −6.217727214414525, −5.672175992493020, −5.222247588654647, −4.622924132987164, −3.635580207557075, −3.065418066742618, −2.301015956563123, −1.713044783850919, −0.7615636348510819, 0, 0.7615636348510819, 1.713044783850919, 2.301015956563123, 3.065418066742618, 3.635580207557075, 4.622924132987164, 5.222247588654647, 5.672175992493020, 6.217727214414525, 6.827748742382031, 7.550931482995290, 7.700608268285766, 8.525931823520965, 9.136229002024182, 9.611417013102806, 10.23805364112910, 10.37454553034594, 11.11552375080668, 11.48849073654017, 12.20541018119016, 12.66641347081960, 13.08266741693407, 13.59731703135167, 14.31177883164893, 14.76985980096943

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