Properties

Label 2-448-1.1-c5-0-51
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  + 6.89·3-s + 48.4·5-s + 49·7-s − 195.·9-s − 163.·11-s + 120.·13-s + 334.·15-s + 78.1·17-s − 2.26e3·19-s + 337.·21-s + 2.45e3·23-s − 776.·25-s − 3.02e3·27-s − 6.98e3·29-s − 2.79e3·31-s − 1.12e3·33-s + 2.37e3·35-s − 9.45e3·37-s + 832.·39-s + 1.00e4·41-s − 6.93e3·43-s − 9.47e3·45-s − 1.16e3·47-s + 2.40e3·49-s + 538.·51-s − 8.56e3·53-s − 7.92e3·55-s + ⋯
L(s)  = 1  + 0.442·3-s + 0.866·5-s + 0.377·7-s − 0.804·9-s − 0.407·11-s + 0.198·13-s + 0.383·15-s + 0.0656·17-s − 1.43·19-s + 0.167·21-s + 0.966·23-s − 0.248·25-s − 0.797·27-s − 1.54·29-s − 0.522·31-s − 0.180·33-s + 0.327·35-s − 1.13·37-s + 0.0876·39-s + 0.937·41-s − 0.571·43-s − 0.697·45-s − 0.0769·47-s + 0.142·49-s + 0.0290·51-s − 0.418·53-s − 0.353·55-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 \( 1 - 6.89T + 243T^{2} \)
5 \( 1 - 48.4T + 3.12e3T^{2} \)
11 \( 1 + 163.T + 1.61e5T^{2} \)
13 \( 1 - 120.T + 3.71e5T^{2} \)
17 \( 1 - 78.1T + 1.41e6T^{2} \)
19 \( 1 + 2.26e3T + 2.47e6T^{2} \)
23 \( 1 - 2.45e3T + 6.43e6T^{2} \)
29 \( 1 + 6.98e3T + 2.05e7T^{2} \)
31 \( 1 + 2.79e3T + 2.86e7T^{2} \)
37 \( 1 + 9.45e3T + 6.93e7T^{2} \)
41 \( 1 - 1.00e4T + 1.15e8T^{2} \)
43 \( 1 + 6.93e3T + 1.47e8T^{2} \)
47 \( 1 + 1.16e3T + 2.29e8T^{2} \)
53 \( 1 + 8.56e3T + 4.18e8T^{2} \)
59 \( 1 - 6.22e3T + 7.14e8T^{2} \)
61 \( 1 - 4.19e4T + 8.44e8T^{2} \)
67 \( 1 - 1.81e3T + 1.35e9T^{2} \)
71 \( 1 - 5.68e4T + 1.80e9T^{2} \)
73 \( 1 + 4.42e4T + 2.07e9T^{2} \)
79 \( 1 + 3.49e4T + 3.07e9T^{2} \)
83 \( 1 + 3.96e4T + 3.93e9T^{2} \)
89 \( 1 + 1.26e5T + 5.58e9T^{2} \)
97 \( 1 + 1.45e5T + 8.58e9T^{2} \)
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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

−9.742204771442840263950468195237, −8.889995195085742646118898207328, −8.219617307239260653205611173006, −7.08231500423647475505449383452, −5.92503061687771646772892221293, −5.22284757075914735261301335871, −3.82672614143940983725110317727, −2.57426549021647299323858683048, −1.71496687140387686715127508125, 0, 1.71496687140387686715127508125, 2.57426549021647299323858683048, 3.82672614143940983725110317727, 5.22284757075914735261301335871, 5.92503061687771646772892221293, 7.08231500423647475505449383452, 8.219617307239260653205611173006, 8.889995195085742646118898207328, 9.742204771442840263950468195237

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