Properties

Label 2-786-1.1-c1-0-15
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 + 5-s + 6-s + 3·7-s + 8-s + 9-s + 10-s − 3·11-s + 12-s + 4·13-s + 3·14-s + 15-s + 16-s − 7·17-s + 18-s + 20-s + 3·21-s − 3·22-s − 23-s + 24-s − 4·25-s + 4·26-s + 27-s + 3·28-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 + 1.13·7-s + 0.353·8-s + 1/3·9-s + 0.316·10-s − 0.904·11-s + 0.288·12-s + 1.10·13-s + 0.801·14-s + 0.258·15-s + 1/4·16-s − 1.69·17-s + 0.235·18-s + 0.223·20-s + 0.654·21-s − 0.639·22-s − 0.208·23-s + 0.204·24-s − 4/5·25-s + 0.784·26-s + 0.192·27-s + 0.566·28-s + 0.182·30-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

\(L(1)\) \(\approx\) \(3.280672363\)
\(L(\frac12)\) \(\approx\) \(3.280672363\)
\(L(\frac{3}{2})\) 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 \( 1 - T + p T^{2} \)
7 \( 1 - 3 T + p T^{2} \)
11 \( 1 + 3 T + p T^{2} \)
13 \( 1 - 4 T + p T^{2} \)
17 \( 1 + 7 T + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 - 2 T + p T^{2} \)
37 \( 1 - 3 T + p T^{2} \)
41 \( 1 - 2 T + p T^{2} \)
43 \( 1 + 6 T + p T^{2} \)
47 \( 1 - 3 T + p T^{2} \)
53 \( 1 - 9 T + p T^{2} \)
59 \( 1 + 15 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 + 7 T + p T^{2} \)
71 \( 1 - 7 T + p T^{2} \)
73 \( 1 - 4 T + p T^{2} \)
79 \( 1 - 10 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 + p T^{2} \)
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

−10.56450799702408532716742528222, −9.373316090770423603669230423025, −8.414634231802839197356182512687, −7.84571695344488828751904204334, −6.70723751373357147176564043735, −5.77032904182661827958621201672, −4.78772749588110161256930225537, −3.97419899782622180724046335734, −2.60690322756399036254963846361, −1.71239652171907282151966562345, 1.71239652171907282151966562345, 2.60690322756399036254963846361, 3.97419899782622180724046335734, 4.78772749588110161256930225537, 5.77032904182661827958621201672, 6.70723751373357147176564043735, 7.84571695344488828751904204334, 8.414634231802839197356182512687, 9.373316090770423603669230423025, 10.56450799702408532716742528222

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