Properties

Label 2-448-1.1-c5-0-26
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  − 26·3-s − 16·5-s − 49·7-s + 433·9-s − 8·11-s − 684·13-s + 416·15-s − 2.21e3·17-s + 2.69e3·19-s + 1.27e3·21-s + 3.34e3·23-s − 2.86e3·25-s − 4.94e3·27-s + 3.25e3·29-s + 4.78e3·31-s + 208·33-s + 784·35-s + 1.14e4·37-s + 1.77e4·39-s + 1.33e4·41-s + 928·43-s − 6.92e3·45-s + 1.21e3·47-s + 2.40e3·49-s + 5.76e4·51-s − 1.31e4·53-s + 128·55-s + ⋯
L(s)  = 1  − 1.66·3-s − 0.286·5-s − 0.377·7-s + 1.78·9-s − 0.0199·11-s − 1.12·13-s + 0.477·15-s − 1.86·17-s + 1.71·19-s + 0.630·21-s + 1.31·23-s − 0.918·25-s − 1.30·27-s + 0.718·29-s + 0.894·31-s + 0.0332·33-s + 0.108·35-s + 1.37·37-s + 1.87·39-s + 1.24·41-s + 0.0765·43-s − 0.510·45-s + 0.0800·47-s + 1/7·49-s + 3.10·51-s − 0.641·53-s + 0.00570·55-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 \( 1 + 26 T + p^{5} T^{2} \)
5 \( 1 + 16 T + p^{5} T^{2} \)
11 \( 1 + 8 T + p^{5} T^{2} \)
13 \( 1 + 684 T + p^{5} T^{2} \)
17 \( 1 + 2218 T + p^{5} T^{2} \)
19 \( 1 - 142 p T + p^{5} T^{2} \)
23 \( 1 - 3344 T + p^{5} T^{2} \)
29 \( 1 - 3254 T + p^{5} T^{2} \)
31 \( 1 - 4788 T + p^{5} T^{2} \)
37 \( 1 - 310 p T + p^{5} T^{2} \)
41 \( 1 - 13350 T + p^{5} T^{2} \)
43 \( 1 - 928 T + p^{5} T^{2} \)
47 \( 1 - 1212 T + p^{5} T^{2} \)
53 \( 1 + 13110 T + p^{5} T^{2} \)
59 \( 1 + 34702 T + p^{5} T^{2} \)
61 \( 1 - 1032 T + p^{5} T^{2} \)
67 \( 1 + 10108 T + p^{5} T^{2} \)
71 \( 1 - 62720 T + p^{5} T^{2} \)
73 \( 1 + 18926 T + p^{5} T^{2} \)
79 \( 1 - 11400 T + p^{5} T^{2} \)
83 \( 1 + 88958 T + p^{5} T^{2} \)
89 \( 1 - 19722 T + p^{5} T^{2} \)
97 \( 1 - 17062 T + p^{5} T^{2} \)
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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

−9.953357607085819803877532151138, −9.246729292746413078881382199681, −7.67462262324609323264928411585, −6.87955240806829181482458308833, −6.08350470222241756080359430355, −5.02622749469770961576617708602, −4.37720532690805095973873301858, −2.70499295653369681027761371644, −0.969992303707209066699982231425, 0, 0.969992303707209066699982231425, 2.70499295653369681027761371644, 4.37720532690805095973873301858, 5.02622749469770961576617708602, 6.08350470222241756080359430355, 6.87955240806829181482458308833, 7.67462262324609323264928411585, 9.246729292746413078881382199681, 9.953357607085819803877532151138

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