Properties

Label 2-17787-1.1-c1-0-25
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 $1$

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 − 2·13-s − 2·15-s − 16-s − 6·17-s + 18-s + 4·19-s − 2·20-s + 3·24-s − 25-s − 2·26-s − 27-s + 2·29-s − 2·30-s + 5·32-s − 6·34-s − 36-s + 6·37-s + 4·38-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 − 0.554·13-s − 0.516·15-s − 1/4·16-s − 1.45·17-s + 0.235·18-s + 0.917·19-s − 0.447·20-s + 0.612·24-s − 1/5·25-s − 0.392·26-s − 0.192·27-s + 0.371·29-s − 0.365·30-s + 0.883·32-s − 1.02·34-s − 1/6·36-s + 0.986·37-s + 0.648·38-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: \(1\)
Selberg data: \((2,\ 17787,\ (\ :1/2),\ -1)\)

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)$
bad3 \( 1 + T \)
7 \( 1 \)
11 \( 1 \)
good2 \( 1 - T + p T^{2} \)
5 \( 1 - 2 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 + 6 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 - 2 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
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 \( 1 + 6 T + p T^{2} \)
79 \( 1 - 16 T + p T^{2} \)
83 \( 1 + 12 T + p T^{2} \)
89 \( 1 - 14 T + p T^{2} \)
97 \( 1 + 18 T + p T^{2} \)
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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

−16.01227889858686, −15.44932324068807, −14.96307581485170, −14.26758915193183, −13.80024995409471, −13.39010654330217, −12.91105860350334, −12.30720862686405, −11.80584273975452, −11.17612132607184, −10.54251418328237, −9.838116541789092, −9.387956130797399, −8.981766941919894, −8.116871407954105, −7.369409496376228, −6.621057175524006, −6.048257885833171, −5.618837291130084, −4.880391790569412, −4.497906540604975, −3.736512787508444, −2.783826182891050, −2.173773837483659, −1.056423424427328, 0, 1.056423424427328, 2.173773837483659, 2.783826182891050, 3.736512787508444, 4.497906540604975, 4.880391790569412, 5.618837291130084, 6.048257885833171, 6.621057175524006, 7.369409496376228, 8.116871407954105, 8.981766941919894, 9.387956130797399, 9.838116541789092, 10.54251418328237, 11.17612132607184, 11.80584273975452, 12.30720862686405, 12.91105860350334, 13.39010654330217, 13.80024995409471, 14.26758915193183, 14.96307581485170, 15.44932324068807, 16.01227889858686

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