Properties

Label 2-1456-1.1-c1-0-2
Degree $2$
Conductor $1456$
Sign $1$
Analytic cond. $11.6262$
Root an. cond. $3.40972$
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  − 3·3-s − 7-s + 6·9-s + 5·11-s − 13-s − 4·17-s − 2·19-s + 3·21-s − 5·23-s − 5·25-s − 9·27-s + 4·29-s − 31-s − 15·33-s + 7·37-s + 3·39-s − 9·41-s + 12·43-s + 7·47-s + 49-s + 12·51-s − 4·53-s + 6·57-s + 6·59-s + 13·61-s − 6·63-s − 11·67-s + ⋯
L(s)  = 1  − 1.73·3-s − 0.377·7-s + 2·9-s + 1.50·11-s − 0.277·13-s − 0.970·17-s − 0.458·19-s + 0.654·21-s − 1.04·23-s − 25-s − 1.73·27-s + 0.742·29-s − 0.179·31-s − 2.61·33-s + 1.15·37-s + 0.480·39-s − 1.40·41-s + 1.82·43-s + 1.02·47-s + 1/7·49-s + 1.68·51-s − 0.549·53-s + 0.794·57-s + 0.781·59-s + 1.66·61-s − 0.755·63-s − 1.34·67-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1456 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1456 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1456\)    =    \(2^{4} \cdot 7 \cdot 13\)
Sign: $1$
Analytic conductor: \(11.6262\)
Root analytic conductor: \(3.40972\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1456,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7654229595\)
\(L(\frac12)\) \(\approx\) \(0.7654229595\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 + T \)
13 \( 1 + T \)
good3 \( 1 + p T + p T^{2} \)
5 \( 1 + p T^{2} \)
11 \( 1 - 5 T + p T^{2} \)
17 \( 1 + 4 T + p T^{2} \)
19 \( 1 + 2 T + p T^{2} \)
23 \( 1 + 5 T + p T^{2} \)
29 \( 1 - 4 T + p T^{2} \)
31 \( 1 + T + p T^{2} \)
37 \( 1 - 7 T + p T^{2} \)
41 \( 1 + 9 T + p T^{2} \)
43 \( 1 - 12 T + p T^{2} \)
47 \( 1 - 7 T + p T^{2} \)
53 \( 1 + 4 T + p T^{2} \)
59 \( 1 - 6 T + p T^{2} \)
61 \( 1 - 13 T + p T^{2} \)
67 \( 1 + 11 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 - 7 T + p T^{2} \)
79 \( 1 - 17 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 - 14 T + p T^{2} \)
97 \( 1 - 5 T + p T^{2} \)
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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

−9.687411640713266446124874284108, −8.916781749804225553868026019180, −7.68283143195211494191877839909, −6.63299834857139013821510766042, −6.36335980553572410729518682566, −5.54975838409236888806497825912, −4.44236143050046711072138337998, −3.91571952847248384529393635172, −2.05625495312932408576461106462, −0.68078446997238380831438979083, 0.68078446997238380831438979083, 2.05625495312932408576461106462, 3.91571952847248384529393635172, 4.44236143050046711072138337998, 5.54975838409236888806497825912, 6.36335980553572410729518682566, 6.63299834857139013821510766042, 7.68283143195211494191877839909, 8.916781749804225553868026019180, 9.687411640713266446124874284108

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