Properties

Label 2-1456-1.1-c1-0-20
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  − 2.56·3-s + 1.56·5-s + 7-s + 3.56·9-s − 4.56·11-s + 13-s − 4·15-s − 4·17-s + 6.68·19-s − 2.56·21-s − 5·23-s − 2.56·25-s − 1.43·27-s + 5.56·29-s − 6.12·31-s + 11.6·33-s + 1.56·35-s + 5.43·37-s − 2.56·39-s − 8.56·41-s + 11.8·43-s + 5.56·45-s − 3·47-s + 49-s + 10.2·51-s − 8.68·53-s − 7.12·55-s + ⋯
L(s)  = 1  − 1.47·3-s + 0.698·5-s + 0.377·7-s + 1.18·9-s − 1.37·11-s + 0.277·13-s − 1.03·15-s − 0.970·17-s + 1.53·19-s − 0.558·21-s − 1.04·23-s − 0.512·25-s − 0.276·27-s + 1.03·29-s − 1.09·31-s + 2.03·33-s + 0.263·35-s + 0.894·37-s − 0.410·39-s − 1.33·41-s + 1.80·43-s + 0.829·45-s − 0.437·47-s + 0.142·49-s + 1.43·51-s − 1.19·53-s − 0.960·55-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 \( 1 + 2.56T + 3T^{2} \)
5 \( 1 - 1.56T + 5T^{2} \)
11 \( 1 + 4.56T + 11T^{2} \)
17 \( 1 + 4T + 17T^{2} \)
19 \( 1 - 6.68T + 19T^{2} \)
23 \( 1 + 5T + 23T^{2} \)
29 \( 1 - 5.56T + 29T^{2} \)
31 \( 1 + 6.12T + 31T^{2} \)
37 \( 1 - 5.43T + 37T^{2} \)
41 \( 1 + 8.56T + 41T^{2} \)
43 \( 1 - 11.8T + 43T^{2} \)
47 \( 1 + 3T + 47T^{2} \)
53 \( 1 + 8.68T + 53T^{2} \)
59 \( 1 + 5.12T + 59T^{2} \)
61 \( 1 + 13.6T + 61T^{2} \)
67 \( 1 + 4.56T + 67T^{2} \)
71 \( 1 - 2.24T + 71T^{2} \)
73 \( 1 - 11.2T + 73T^{2} \)
79 \( 1 + 10.1T + 79T^{2} \)
83 \( 1 + 5.56T + 83T^{2} \)
89 \( 1 + 8.43T + 89T^{2} \)
97 \( 1 + 10.3T + 97T^{2} \)
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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

−9.382802267916208423096094718655, −8.165906853775664844037350828666, −7.41929717545831737658859445728, −6.40010284461581982685235504280, −5.71433433428968956342271940488, −5.18956480407892960224862836609, −4.33748366969948651895993684939, −2.77950877325778868387542776997, −1.52039988183722188360753841505, 0, 1.52039988183722188360753841505, 2.77950877325778868387542776997, 4.33748366969948651895993684939, 5.18956480407892960224862836609, 5.71433433428968956342271940488, 6.40010284461581982685235504280, 7.41929717545831737658859445728, 8.165906853775664844037350828666, 9.382802267916208423096094718655

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