Properties

Label 2-17787-1.1-c1-0-18
Degree $2$
Conductor $17787$
Sign $1$
Analytic cond. $142.029$
Root an. cond. $11.9176$
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 + 3-s − 4-s + 2·5-s + 6-s − 3·8-s + 9-s + 2·10-s − 12-s + 6·13-s + 2·15-s − 16-s + 2·17-s + 18-s + 4·19-s − 2·20-s − 3·24-s − 25-s + 6·26-s + 27-s + 2·29-s + 2·30-s − 8·31-s + 5·32-s + 2·34-s − 36-s + 6·37-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.577·3-s − 1/2·4-s + 0.894·5-s + 0.408·6-s − 1.06·8-s + 1/3·9-s + 0.632·10-s − 0.288·12-s + 1.66·13-s + 0.516·15-s − 1/4·16-s + 0.485·17-s + 0.235·18-s + 0.917·19-s − 0.447·20-s − 0.612·24-s − 1/5·25-s + 1.17·26-s + 0.192·27-s + 0.371·29-s + 0.365·30-s − 1.43·31-s + 0.883·32-s + 0.342·34-s − 1/6·36-s + 0.986·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 17787 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 17787 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(17787\)    =    \(3 \cdot 7^{2} \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(142.029\)
Root analytic conductor: \(11.9176\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 17787,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.777774155\)
\(L(\frac12)\) \(\approx\) \(4.777774155\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - T \)
7 \( 1 \)
11 \( 1 \)
good2 \( 1 - T + p T^{2} \)
5 \( 1 - 2 T + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 + 8 T + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
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 \( 1 + 4 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 12 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 + 16 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 + 18 T + p T^{2} \)
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

−15.62319049413803, −15.21241018183692, −14.42210723543853, −14.05853389192787, −13.73094271842140, −13.20634631261681, −12.75006045871082, −12.19577870200304, −11.37815305429305, −10.84648784608924, −10.06095794901290, −9.568737666473635, −8.930368746492868, −8.746037781155705, −7.762078793064544, −7.302691118297447, −6.137307596189636, −5.911131043902567, −5.428312648397238, −4.425943581208136, −3.957024262768600, −3.238194326833478, −2.659156875385975, −1.619470596263804, −0.8589803999789431, 0.8589803999789431, 1.619470596263804, 2.659156875385975, 3.238194326833478, 3.957024262768600, 4.425943581208136, 5.428312648397238, 5.911131043902567, 6.137307596189636, 7.302691118297447, 7.762078793064544, 8.746037781155705, 8.930368746492868, 9.568737666473635, 10.06095794901290, 10.84648784608924, 11.37815305429305, 12.19577870200304, 12.75006045871082, 13.20634631261681, 13.73094271842140, 14.05853389192787, 14.42210723543853, 15.21241018183692, 15.62319049413803

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