Properties

Label 2-448-1.1-c5-0-43
Degree $2$
Conductor $448$
Sign $-1$
Analytic cond. $71.8519$
Root an. cond. $8.47655$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 14·3-s + 56·5-s + 49·7-s − 47·9-s + 232·11-s + 140·13-s − 784·15-s − 1.72e3·17-s − 98·19-s − 686·21-s − 1.82e3·23-s + 11·25-s + 4.06e3·27-s − 3.41e3·29-s + 7.64e3·31-s − 3.24e3·33-s + 2.74e3·35-s + 1.03e4·37-s − 1.96e3·39-s − 1.79e4·41-s + 1.08e4·43-s − 2.63e3·45-s − 9.32e3·47-s + 2.40e3·49-s + 2.41e4·51-s − 2.26e3·53-s + 1.29e4·55-s + ⋯
L(s)  = 1  − 0.898·3-s + 1.00·5-s + 0.377·7-s − 0.193·9-s + 0.578·11-s + 0.229·13-s − 0.899·15-s − 1.44·17-s − 0.0622·19-s − 0.339·21-s − 0.718·23-s + 0.00351·25-s + 1.07·27-s − 0.754·29-s + 1.42·31-s − 0.519·33-s + 0.378·35-s + 1.24·37-s − 0.206·39-s − 1.66·41-s + 0.897·43-s − 0.193·45-s − 0.615·47-s + 1/7·49-s + 1.29·51-s − 0.110·53-s + 0.579·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(448\)    =    \(2^{6} \cdot 7\)
Sign: $-1$
Analytic conductor: \(71.8519\)
Root analytic conductor: \(8.47655\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 448,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) 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 \( 1 - p^{2} T \)
good3 \( 1 + 14 T + p^{5} T^{2} \)
5 \( 1 - 56 T + p^{5} T^{2} \)
11 \( 1 - 232 T + p^{5} T^{2} \)
13 \( 1 - 140 T + p^{5} T^{2} \)
17 \( 1 + 1722 T + p^{5} T^{2} \)
19 \( 1 + 98 T + p^{5} T^{2} \)
23 \( 1 + 1824 T + p^{5} T^{2} \)
29 \( 1 + 3418 T + p^{5} T^{2} \)
31 \( 1 - 7644 T + p^{5} T^{2} \)
37 \( 1 - 10398 T + p^{5} T^{2} \)
41 \( 1 + 17962 T + p^{5} T^{2} \)
43 \( 1 - 10880 T + p^{5} T^{2} \)
47 \( 1 + 9324 T + p^{5} T^{2} \)
53 \( 1 + 2262 T + p^{5} T^{2} \)
59 \( 1 + 2730 T + p^{5} T^{2} \)
61 \( 1 + 25648 T + p^{5} T^{2} \)
67 \( 1 + 48404 T + p^{5} T^{2} \)
71 \( 1 - 58560 T + p^{5} T^{2} \)
73 \( 1 - 68082 T + p^{5} T^{2} \)
79 \( 1 + 31784 T + p^{5} T^{2} \)
83 \( 1 + 20538 T + p^{5} T^{2} \)
89 \( 1 + 50582 T + p^{5} T^{2} \)
97 \( 1 + 58506 T + p^{5} T^{2} \)
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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

−9.913071822640726152024743688614, −9.056049294397904300488206588404, −8.093557315912239316759332245286, −6.61245109070683883247631332219, −6.14861202931696972424440068660, −5.19502119362275894424827926879, −4.19023577693847241362096888082, −2.51011321749267820896969986293, −1.39771872769074897531002236466, 0, 1.39771872769074897531002236466, 2.51011321749267820896969986293, 4.19023577693847241362096888082, 5.19502119362275894424827926879, 6.14861202931696972424440068660, 6.61245109070683883247631332219, 8.093557315912239316759332245286, 9.056049294397904300488206588404, 9.913071822640726152024743688614

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