Properties

Label 2-448-1.1-c5-0-21
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  − 20.8·3-s − 90.4·5-s + 49·7-s + 193.·9-s − 552.·11-s + 593.·13-s + 1.88e3·15-s − 1.42e3·17-s + 318.·19-s − 1.02e3·21-s − 659.·23-s + 5.05e3·25-s + 1.03e3·27-s + 8.18e3·29-s + 9.59e3·31-s + 1.15e4·33-s − 4.43e3·35-s − 5.18e3·37-s − 1.23e4·39-s − 2.19e3·41-s + 7.45e3·43-s − 1.75e4·45-s + 1.95e4·47-s + 2.40e3·49-s + 2.97e4·51-s − 3.65e4·53-s + 4.99e4·55-s + ⋯
L(s)  = 1  − 1.34·3-s − 1.61·5-s + 0.377·7-s + 0.796·9-s − 1.37·11-s + 0.973·13-s + 2.16·15-s − 1.19·17-s + 0.202·19-s − 0.506·21-s − 0.260·23-s + 1.61·25-s + 0.273·27-s + 1.80·29-s + 1.79·31-s + 1.84·33-s − 0.611·35-s − 0.622·37-s − 1.30·39-s − 0.203·41-s + 0.615·43-s − 1.28·45-s + 1.29·47-s + 0.142·49-s + 1.59·51-s − 1.78·53-s + 2.22·55-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 \( 1 + 20.8T + 243T^{2} \)
5 \( 1 + 90.4T + 3.12e3T^{2} \)
11 \( 1 + 552.T + 1.61e5T^{2} \)
13 \( 1 - 593.T + 3.71e5T^{2} \)
17 \( 1 + 1.42e3T + 1.41e6T^{2} \)
19 \( 1 - 318.T + 2.47e6T^{2} \)
23 \( 1 + 659.T + 6.43e6T^{2} \)
29 \( 1 - 8.18e3T + 2.05e7T^{2} \)
31 \( 1 - 9.59e3T + 2.86e7T^{2} \)
37 \( 1 + 5.18e3T + 6.93e7T^{2} \)
41 \( 1 + 2.19e3T + 1.15e8T^{2} \)
43 \( 1 - 7.45e3T + 1.47e8T^{2} \)
47 \( 1 - 1.95e4T + 2.29e8T^{2} \)
53 \( 1 + 3.65e4T + 4.18e8T^{2} \)
59 \( 1 - 1.63e4T + 7.14e8T^{2} \)
61 \( 1 - 1.08e4T + 8.44e8T^{2} \)
67 \( 1 - 8.03e3T + 1.35e9T^{2} \)
71 \( 1 + 5.59e4T + 1.80e9T^{2} \)
73 \( 1 + 7.77e4T + 2.07e9T^{2} \)
79 \( 1 - 3.20e3T + 3.07e9T^{2} \)
83 \( 1 - 7.66e4T + 3.93e9T^{2} \)
89 \( 1 + 8.42e4T + 5.58e9T^{2} \)
97 \( 1 - 1.01e5T + 8.58e9T^{2} \)
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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

−10.41035406791707009002423015958, −8.596074367887953312614244560960, −8.044896740201202461083124530445, −6.99172832880619937529163499338, −6.06723946955564904170353445435, −4.88001293633614855858320821168, −4.30923809049796453636003053518, −2.86800405709774728429459422844, −0.886765024171149552750762745212, 0, 0.886765024171149552750762745212, 2.86800405709774728429459422844, 4.30923809049796453636003053518, 4.88001293633614855858320821168, 6.06723946955564904170353445435, 6.99172832880619937529163499338, 8.044896740201202461083124530445, 8.596074367887953312614244560960, 10.41035406791707009002423015958

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