Properties

Label 2-448-1.1-c7-0-50
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  + 9.37·3-s − 462.·5-s + 343·7-s − 2.09e3·9-s − 3.88e3·11-s + 1.15e4·13-s − 4.33e3·15-s − 1.52e4·17-s + 3.24e4·19-s + 3.21e3·21-s + 5.61e4·23-s + 1.35e5·25-s − 4.01e4·27-s + 2.64e4·29-s − 4.54e4·31-s − 3.63e4·33-s − 1.58e5·35-s + 5.55e5·37-s + 1.08e5·39-s + 3.06e5·41-s − 7.80e5·43-s + 9.70e5·45-s − 5.31e5·47-s + 1.17e5·49-s − 1.42e5·51-s + 3.63e5·53-s + 1.79e6·55-s + ⋯
L(s)  = 1  + 0.200·3-s − 1.65·5-s + 0.377·7-s − 0.959·9-s − 0.879·11-s + 1.46·13-s − 0.331·15-s − 0.752·17-s + 1.08·19-s + 0.0757·21-s + 0.962·23-s + 1.73·25-s − 0.392·27-s + 0.201·29-s − 0.274·31-s − 0.176·33-s − 0.625·35-s + 1.80·37-s + 0.293·39-s + 0.694·41-s − 1.49·43-s + 1.58·45-s − 0.746·47-s + 0.142·49-s − 0.150·51-s + 0.335·53-s + 1.45·55-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 \( 1 - 9.37T + 2.18e3T^{2} \)
5 \( 1 + 462.T + 7.81e4T^{2} \)
11 \( 1 + 3.88e3T + 1.94e7T^{2} \)
13 \( 1 - 1.15e4T + 6.27e7T^{2} \)
17 \( 1 + 1.52e4T + 4.10e8T^{2} \)
19 \( 1 - 3.24e4T + 8.93e8T^{2} \)
23 \( 1 - 5.61e4T + 3.40e9T^{2} \)
29 \( 1 - 2.64e4T + 1.72e10T^{2} \)
31 \( 1 + 4.54e4T + 2.75e10T^{2} \)
37 \( 1 - 5.55e5T + 9.49e10T^{2} \)
41 \( 1 - 3.06e5T + 1.94e11T^{2} \)
43 \( 1 + 7.80e5T + 2.71e11T^{2} \)
47 \( 1 + 5.31e5T + 5.06e11T^{2} \)
53 \( 1 - 3.63e5T + 1.17e12T^{2} \)
59 \( 1 - 2.14e6T + 2.48e12T^{2} \)
61 \( 1 + 8.88e5T + 3.14e12T^{2} \)
67 \( 1 + 4.34e6T + 6.06e12T^{2} \)
71 \( 1 - 6.63e5T + 9.09e12T^{2} \)
73 \( 1 - 1.34e6T + 1.10e13T^{2} \)
79 \( 1 - 7.05e6T + 1.92e13T^{2} \)
83 \( 1 + 6.60e6T + 2.71e13T^{2} \)
89 \( 1 + 5.32e6T + 4.42e13T^{2} \)
97 \( 1 + 2.09e6T + 8.07e13T^{2} \)
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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

−9.224544944444027208007223563039, −8.303054677562634656463061581979, −7.959432439839235269720378508497, −6.89130996673542315786723659986, −5.61766589043936379282993947993, −4.57206787990281507687857244626, −3.54555003240942768601610791903, −2.76626444685557140505259184262, −1.03748282858470802522320351662, 0, 1.03748282858470802522320351662, 2.76626444685557140505259184262, 3.54555003240942768601610791903, 4.57206787990281507687857244626, 5.61766589043936379282993947993, 6.89130996673542315786723659986, 7.959432439839235269720378508497, 8.303054677562634656463061581979, 9.224544944444027208007223563039

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