Properties

Label 2-448-1.1-c7-0-60
Degree $2$
Conductor $448$
Sign $-1$
Analytic cond. $139.948$
Root an. cond. $11.8299$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 79.3·3-s + 336.·5-s + 343·7-s + 4.11e3·9-s + 7.30e3·11-s − 5.18e3·13-s − 2.66e4·15-s − 2.32e4·17-s + 1.08e4·19-s − 2.72e4·21-s + 3.37e4·23-s + 3.50e4·25-s − 1.52e5·27-s − 1.86e5·29-s − 9.81e4·31-s − 5.79e5·33-s + 1.15e5·35-s − 2.83e5·37-s + 4.11e5·39-s − 2.41e5·41-s − 7.47e5·43-s + 1.38e6·45-s + 1.01e6·47-s + 1.17e5·49-s + 1.84e6·51-s − 2.17e5·53-s + 2.45e6·55-s + ⋯
L(s)  = 1  − 1.69·3-s + 1.20·5-s + 0.377·7-s + 1.88·9-s + 1.65·11-s − 0.654·13-s − 2.04·15-s − 1.14·17-s + 0.364·19-s − 0.641·21-s + 0.578·23-s + 0.448·25-s − 1.49·27-s − 1.41·29-s − 0.591·31-s − 2.80·33-s + 0.454·35-s − 0.919·37-s + 1.11·39-s − 0.547·41-s − 1.43·43-s + 2.26·45-s + 1.42·47-s + 0.142·49-s + 1.94·51-s − 0.201·53-s + 1.99·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(448\)    =    \(2^{6} \cdot 7\)
Sign: $-1$
Analytic conductor: \(139.948\)
Root analytic conductor: \(11.8299\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 448,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) 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 \( 1 - 343T \)
good3 \( 1 + 79.3T + 2.18e3T^{2} \)
5 \( 1 - 336.T + 7.81e4T^{2} \)
11 \( 1 - 7.30e3T + 1.94e7T^{2} \)
13 \( 1 + 5.18e3T + 6.27e7T^{2} \)
17 \( 1 + 2.32e4T + 4.10e8T^{2} \)
19 \( 1 - 1.08e4T + 8.93e8T^{2} \)
23 \( 1 - 3.37e4T + 3.40e9T^{2} \)
29 \( 1 + 1.86e5T + 1.72e10T^{2} \)
31 \( 1 + 9.81e4T + 2.75e10T^{2} \)
37 \( 1 + 2.83e5T + 9.49e10T^{2} \)
41 \( 1 + 2.41e5T + 1.94e11T^{2} \)
43 \( 1 + 7.47e5T + 2.71e11T^{2} \)
47 \( 1 - 1.01e6T + 5.06e11T^{2} \)
53 \( 1 + 2.17e5T + 1.17e12T^{2} \)
59 \( 1 - 2.04e6T + 2.48e12T^{2} \)
61 \( 1 - 1.16e6T + 3.14e12T^{2} \)
67 \( 1 + 1.32e6T + 6.06e12T^{2} \)
71 \( 1 + 1.28e6T + 9.09e12T^{2} \)
73 \( 1 - 2.59e6T + 1.10e13T^{2} \)
79 \( 1 + 2.40e6T + 1.92e13T^{2} \)
83 \( 1 - 5.37e6T + 2.71e13T^{2} \)
89 \( 1 + 1.19e7T + 4.42e13T^{2} \)
97 \( 1 - 1.35e6T + 8.07e13T^{2} \)
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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

−9.624003519853083341007378656574, −8.915436949792175498079988675892, −7.09944521098052179957041425587, −6.60550566363698863238703809762, −5.66632557466656215938270631927, −5.04225982950834502810831613901, −3.95631905623942876787734838609, −1.99819974231335798518042126430, −1.24338517804061481486133146851, 0, 1.24338517804061481486133146851, 1.99819974231335798518042126430, 3.95631905623942876787734838609, 5.04225982950834502810831613901, 5.66632557466656215938270631927, 6.60550566363698863238703809762, 7.09944521098052179957041425587, 8.915436949792175498079988675892, 9.624003519853083341007378656574

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