Properties

Label 2-1456-1.1-c1-0-34
Degree $2$
Conductor $1456$
Sign $-1$
Analytic cond. $11.6262$
Root an. cond. $3.40972$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.732·3-s + 1.73·5-s − 7-s − 2.46·9-s − 4.73·11-s + 13-s + 1.26·15-s − 2.19·17-s − 7.19·19-s − 0.732·21-s − 3·23-s − 2.00·25-s − 4·27-s + 0.464·29-s − 1.19·31-s − 3.46·33-s − 1.73·35-s + 4.19·37-s + 0.732·39-s + 3.46·41-s + 7·43-s − 4.26·45-s − 7.73·47-s + 49-s − 1.60·51-s − 9.92·53-s − 8.19·55-s + ⋯
L(s)  = 1  + 0.422·3-s + 0.774·5-s − 0.377·7-s − 0.821·9-s − 1.42·11-s + 0.277·13-s + 0.327·15-s − 0.532·17-s − 1.65·19-s − 0.159·21-s − 0.625·23-s − 0.400·25-s − 0.769·27-s + 0.0861·29-s − 0.214·31-s − 0.603·33-s − 0.292·35-s + 0.689·37-s + 0.117·39-s + 0.541·41-s + 1.06·43-s − 0.636·45-s − 1.12·47-s + 0.142·49-s − 0.225·51-s − 1.36·53-s − 1.10·55-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1456,\ (\ :1/2),\ -1)\)

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)$
bad2 \( 1 \)
7 \( 1 + T \)
13 \( 1 - T \)
good3 \( 1 - 0.732T + 3T^{2} \)
5 \( 1 - 1.73T + 5T^{2} \)
11 \( 1 + 4.73T + 11T^{2} \)
17 \( 1 + 2.19T + 17T^{2} \)
19 \( 1 + 7.19T + 19T^{2} \)
23 \( 1 + 3T + 23T^{2} \)
29 \( 1 - 0.464T + 29T^{2} \)
31 \( 1 + 1.19T + 31T^{2} \)
37 \( 1 - 4.19T + 37T^{2} \)
41 \( 1 - 3.46T + 41T^{2} \)
43 \( 1 - 7T + 43T^{2} \)
47 \( 1 + 7.73T + 47T^{2} \)
53 \( 1 + 9.92T + 53T^{2} \)
59 \( 1 - 10.3T + 59T^{2} \)
61 \( 1 + 10T + 61T^{2} \)
67 \( 1 - 14.3T + 67T^{2} \)
71 \( 1 - 1.26T + 71T^{2} \)
73 \( 1 + 9.19T + 73T^{2} \)
79 \( 1 - 11.3T + 79T^{2} \)
83 \( 1 - 0.803T + 83T^{2} \)
89 \( 1 - 11.1T + 89T^{2} \)
97 \( 1 - 2.80T + 97T^{2} \)
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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

−9.132736920368041159996276173499, −8.299533040819314584641077226243, −7.75321836221106315023913677734, −6.42686067911709445685198931107, −5.94646945513252609890209384589, −5.01291835484182361803191855382, −3.87378786348003235834413755376, −2.67002418363340391217245064633, −2.11279221226059992211318513525, 0, 2.11279221226059992211318513525, 2.67002418363340391217245064633, 3.87378786348003235834413755376, 5.01291835484182361803191855382, 5.94646945513252609890209384589, 6.42686067911709445685198931107, 7.75321836221106315023913677734, 8.299533040819314584641077226243, 9.132736920368041159996276173499

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