Properties

Label 2-448-1.1-c5-0-32
Degree $2$
Conductor $448$
Sign $-1$
Analytic cond. $71.8519$
Root an. cond. $8.47655$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 25.7·3-s + 34.4·5-s − 49·7-s + 421.·9-s − 783.·11-s + 894.·13-s − 888.·15-s + 237.·17-s − 1.77e3·19-s + 1.26e3·21-s + 4.26e3·23-s − 1.93e3·25-s − 4.61e3·27-s − 5.26e3·29-s + 7.51e3·31-s + 2.02e4·33-s − 1.68e3·35-s − 676.·37-s − 2.30e4·39-s + 5.94e3·41-s + 2.23e4·43-s + 1.45e4·45-s + 1.16e4·47-s + 2.40e3·49-s − 6.12e3·51-s + 1.01e4·53-s − 2.70e4·55-s + ⋯
L(s)  = 1  − 1.65·3-s + 0.616·5-s − 0.377·7-s + 1.73·9-s − 1.95·11-s + 1.46·13-s − 1.02·15-s + 0.199·17-s − 1.12·19-s + 0.625·21-s + 1.68·23-s − 0.619·25-s − 1.21·27-s − 1.16·29-s + 1.40·31-s + 3.23·33-s − 0.233·35-s − 0.0812·37-s − 2.42·39-s + 0.552·41-s + 1.84·43-s + 1.07·45-s + 0.770·47-s + 0.142·49-s − 0.329·51-s + 0.494·53-s − 1.20·55-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: no
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 \( 1 + 49T \)
good3 \( 1 + 25.7T + 243T^{2} \)
5 \( 1 - 34.4T + 3.12e3T^{2} \)
11 \( 1 + 783.T + 1.61e5T^{2} \)
13 \( 1 - 894.T + 3.71e5T^{2} \)
17 \( 1 - 237.T + 1.41e6T^{2} \)
19 \( 1 + 1.77e3T + 2.47e6T^{2} \)
23 \( 1 - 4.26e3T + 6.43e6T^{2} \)
29 \( 1 + 5.26e3T + 2.05e7T^{2} \)
31 \( 1 - 7.51e3T + 2.86e7T^{2} \)
37 \( 1 + 676.T + 6.93e7T^{2} \)
41 \( 1 - 5.94e3T + 1.15e8T^{2} \)
43 \( 1 - 2.23e4T + 1.47e8T^{2} \)
47 \( 1 - 1.16e4T + 2.29e8T^{2} \)
53 \( 1 - 1.01e4T + 4.18e8T^{2} \)
59 \( 1 + 2.20e4T + 7.14e8T^{2} \)
61 \( 1 - 4.52e3T + 8.44e8T^{2} \)
67 \( 1 - 1.05e4T + 1.35e9T^{2} \)
71 \( 1 + 3.26e4T + 1.80e9T^{2} \)
73 \( 1 - 3.46e4T + 2.07e9T^{2} \)
79 \( 1 + 1.94e4T + 3.07e9T^{2} \)
83 \( 1 + 6.65e4T + 3.93e9T^{2} \)
89 \( 1 + 4.32e4T + 5.58e9T^{2} \)
97 \( 1 + 8.64e4T + 8.58e9T^{2} \)
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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

−10.28860228461224415686728843449, −9.099178920478421579487979945253, −7.85993137912303200417614049603, −6.73412758051757377625300201160, −5.84246942874584288408842423714, −5.43009669132023032022093143943, −4.24713750846946193031953427117, −2.62061380376149514889426432387, −1.09306588344719249778953607354, 0, 1.09306588344719249778953607354, 2.62061380376149514889426432387, 4.24713750846946193031953427117, 5.43009669132023032022093143943, 5.84246942874584288408842423714, 6.73412758051757377625300201160, 7.85993137912303200417614049603, 9.099178920478421579487979945253, 10.28860228461224415686728843449

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