Properties

Label 2-448-1.1-c7-0-43
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  − 52.4·3-s − 199.·5-s + 343·7-s + 559.·9-s − 1.21e3·11-s − 6.44e3·13-s + 1.04e4·15-s + 2.67e4·17-s − 1.49e4·19-s − 1.79e4·21-s − 7.35e4·23-s − 3.84e4·25-s + 8.52e4·27-s + 1.06e5·29-s + 6.68e4·31-s + 6.38e4·33-s − 6.83e4·35-s + 4.79e5·37-s + 3.37e5·39-s − 6.44e5·41-s − 1.45e5·43-s − 1.11e5·45-s + 1.01e6·47-s + 1.17e5·49-s − 1.40e6·51-s − 3.42e4·53-s + 2.42e5·55-s + ⋯
L(s)  = 1  − 1.12·3-s − 0.712·5-s + 0.377·7-s + 0.255·9-s − 0.276·11-s − 0.814·13-s + 0.798·15-s + 1.32·17-s − 0.498·19-s − 0.423·21-s − 1.25·23-s − 0.492·25-s + 0.834·27-s + 0.810·29-s + 0.402·31-s + 0.309·33-s − 0.269·35-s + 1.55·37-s + 0.912·39-s − 1.46·41-s − 0.278·43-s − 0.182·45-s + 1.42·47-s + 0.142·49-s − 1.48·51-s − 0.0315·53-s + 0.196·55-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 \( 1 + 52.4T + 2.18e3T^{2} \)
5 \( 1 + 199.T + 7.81e4T^{2} \)
11 \( 1 + 1.21e3T + 1.94e7T^{2} \)
13 \( 1 + 6.44e3T + 6.27e7T^{2} \)
17 \( 1 - 2.67e4T + 4.10e8T^{2} \)
19 \( 1 + 1.49e4T + 8.93e8T^{2} \)
23 \( 1 + 7.35e4T + 3.40e9T^{2} \)
29 \( 1 - 1.06e5T + 1.72e10T^{2} \)
31 \( 1 - 6.68e4T + 2.75e10T^{2} \)
37 \( 1 - 4.79e5T + 9.49e10T^{2} \)
41 \( 1 + 6.44e5T + 1.94e11T^{2} \)
43 \( 1 + 1.45e5T + 2.71e11T^{2} \)
47 \( 1 - 1.01e6T + 5.06e11T^{2} \)
53 \( 1 + 3.42e4T + 1.17e12T^{2} \)
59 \( 1 - 4.43e5T + 2.48e12T^{2} \)
61 \( 1 - 1.14e6T + 3.14e12T^{2} \)
67 \( 1 - 4.31e6T + 6.06e12T^{2} \)
71 \( 1 - 2.54e6T + 9.09e12T^{2} \)
73 \( 1 + 3.67e6T + 1.10e13T^{2} \)
79 \( 1 - 8.55e6T + 1.92e13T^{2} \)
83 \( 1 - 1.79e6T + 2.71e13T^{2} \)
89 \( 1 - 5.56e6T + 4.42e13T^{2} \)
97 \( 1 + 1.72e7T + 8.07e13T^{2} \)
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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

−9.792344650203084942746359083932, −8.289444645509624351905260963871, −7.72948972812547488536237981551, −6.58881186931987587118151143591, −5.63791751515881964954358531708, −4.84613614095476282097981693385, −3.82636698045535018116626317221, −2.42365064276245658957870385685, −0.911263707181631721031826494789, 0, 0.911263707181631721031826494789, 2.42365064276245658957870385685, 3.82636698045535018116626317221, 4.84613614095476282097981693385, 5.63791751515881964954358531708, 6.58881186931987587118151143591, 7.72948972812547488536237981551, 8.289444645509624351905260963871, 9.792344650203084942746359083932

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