Properties

Label 2-15918-1.1-c1-0-19
Degree $2$
Conductor $15918$
Sign $-1$
Analytic cond. $127.105$
Root an. cond. $11.2741$
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 − 2·11-s + 12-s + 14-s − 15-s + 16-s − 3·17-s + 18-s + 6·19-s − 20-s + 21-s − 2·22-s − 4·23-s + 24-s − 4·25-s + 27-s + 28-s − 5·29-s − 30-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 − 0.603·11-s + 0.288·12-s + 0.267·14-s − 0.258·15-s + 1/4·16-s − 0.727·17-s + 0.235·18-s + 1.37·19-s − 0.223·20-s + 0.218·21-s − 0.426·22-s − 0.834·23-s + 0.204·24-s − 4/5·25-s + 0.192·27-s + 0.188·28-s − 0.928·29-s − 0.182·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 15918 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 15918 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(15918\)    =    \(2 \cdot 3 \cdot 7 \cdot 379\)
Sign: $-1$
Analytic conductor: \(127.105\)
Root analytic conductor: \(11.2741\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 15918,\ (\ :1/2),\ -1)\)

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 \( 1 - T \)
7 \( 1 - T \)
379 \( 1 - T \)
good5 \( 1 + T + p T^{2} \)
11 \( 1 + 2 T + p T^{2} \)
13 \( 1 + p T^{2} \)
17 \( 1 + 3 T + p T^{2} \)
19 \( 1 - 6 T + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 + 5 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 + 4 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 - 2 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 + 9 T + p T^{2} \)
59 \( 1 + 3 T + p T^{2} \)
61 \( 1 + T + p T^{2} \)
67 \( 1 + 16 T + p T^{2} \)
71 \( 1 - 9 T + p T^{2} \)
73 \( 1 - 11 T + p T^{2} \)
79 \( 1 - 10 T + p T^{2} \)
83 \( 1 + 14 T + p T^{2} \)
89 \( 1 + 15 T + p T^{2} \)
97 \( 1 + p T^{2} \)
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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

−15.96788332200806, −15.59111207736416, −15.21027750483281, −14.55234368700922, −13.82669380544073, −13.72359031634310, −13.03905498048801, −12.29185385565622, −11.96212415623008, −11.12138045065008, −10.94699653116192, −9.817486070782547, −9.676160300340744, −8.658584795620960, −8.064295061277329, −7.634140172302024, −7.079628301579976, −6.258594268174998, −5.564847591252937, −4.898479167340667, −4.288611739877671, −3.587573246929597, −2.987721728536927, −2.165575879169169, −1.431746109063120, 0, 1.431746109063120, 2.165575879169169, 2.987721728536927, 3.587573246929597, 4.288611739877671, 4.898479167340667, 5.564847591252937, 6.258594268174998, 7.079628301579976, 7.634140172302024, 8.064295061277329, 8.658584795620960, 9.676160300340744, 9.817486070782547, 10.94699653116192, 11.12138045065008, 11.96212415623008, 12.29185385565622, 13.03905498048801, 13.72359031634310, 13.82669380544073, 14.55234368700922, 15.21027750483281, 15.59111207736416, 15.96788332200806

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