Properties

Label 2-786-1.1-c1-0-3
Degree $2$
Conductor $786$
Sign $1$
Analytic cond. $6.27624$
Root an. cond. $2.50524$
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 − 8-s + 9-s − 2·10-s + 4·11-s − 12-s − 2·13-s − 2·15-s + 16-s − 2·17-s − 18-s + 8·19-s + 2·20-s − 4·22-s + 24-s − 25-s + 2·26-s − 27-s + 2·29-s + 2·30-s − 8·31-s − 32-s − 4·33-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.577·3-s + 1/2·4-s + 0.894·5-s + 0.408·6-s − 0.353·8-s + 1/3·9-s − 0.632·10-s + 1.20·11-s − 0.288·12-s − 0.554·13-s − 0.516·15-s + 1/4·16-s − 0.485·17-s − 0.235·18-s + 1.83·19-s + 0.447·20-s − 0.852·22-s + 0.204·24-s − 1/5·25-s + 0.392·26-s − 0.192·27-s + 0.371·29-s + 0.365·30-s − 1.43·31-s − 0.176·32-s − 0.696·33-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 786 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 786 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(786\)    =    \(2 \cdot 3 \cdot 131\)
Sign: $1$
Analytic conductor: \(6.27624\)
Root analytic conductor: \(2.50524\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 786,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.149014222\)
\(L(\frac12)\) \(\approx\) \(1.149014222\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
131 \( 1 - T \)
good5 \( 1 - 2 T + p T^{2} \)
7 \( 1 + p T^{2} \)
11 \( 1 - 4 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 - 8 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 + 8 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 - 10 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 - 10 T + p T^{2} \)
59 \( 1 - 12 T + p T^{2} \)
61 \( 1 - 6 T + p T^{2} \)
67 \( 1 + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 + 14 T + p T^{2} \)
79 \( 1 - 16 T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 + 14 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−10.04730012038987893027319123152, −9.535725038220235782593235563575, −8.901349969419320661585586227582, −7.57048781949609640088797846174, −6.87281957943411788418329871720, −5.96170612245609191075999506947, −5.20010436534133050839543742003, −3.80036848047385624886238531457, −2.28826601894317808861932442048, −1.07423692191605700915458139021, 1.07423692191605700915458139021, 2.28826601894317808861932442048, 3.80036848047385624886238531457, 5.20010436534133050839543742003, 5.96170612245609191075999506947, 6.87281957943411788418329871720, 7.57048781949609640088797846174, 8.901349969419320661585586227582, 9.535725038220235782593235563575, 10.04730012038987893027319123152

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