Properties

Label 2-448-1.1-c5-0-59
Degree $2$
Conductor $448$
Sign $-1$
Analytic cond. $71.8519$
Root an. cond. $8.47655$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 26·3-s − 16·5-s + 49·7-s + 433·9-s + 8·11-s − 684·13-s − 416·15-s − 2.21e3·17-s − 2.69e3·19-s + 1.27e3·21-s − 3.34e3·23-s − 2.86e3·25-s + 4.94e3·27-s + 3.25e3·29-s − 4.78e3·31-s + 208·33-s − 784·35-s + 1.14e4·37-s − 1.77e4·39-s + 1.33e4·41-s − 928·43-s − 6.92e3·45-s − 1.21e3·47-s + 2.40e3·49-s − 5.76e4·51-s − 1.31e4·53-s − 128·55-s + ⋯
L(s)  = 1  + 1.66·3-s − 0.286·5-s + 0.377·7-s + 1.78·9-s + 0.0199·11-s − 1.12·13-s − 0.477·15-s − 1.86·17-s − 1.71·19-s + 0.630·21-s − 1.31·23-s − 0.918·25-s + 1.30·27-s + 0.718·29-s − 0.894·31-s + 0.0332·33-s − 0.108·35-s + 1.37·37-s − 1.87·39-s + 1.24·41-s − 0.0765·43-s − 0.510·45-s − 0.0800·47-s + 1/7·49-s − 3.10·51-s − 0.641·53-s − 0.00570·55-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: yes
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 \( 1 - p^{2} T \)
good3 \( 1 - 26 T + p^{5} T^{2} \)
5 \( 1 + 16 T + p^{5} T^{2} \)
11 \( 1 - 8 T + p^{5} T^{2} \)
13 \( 1 + 684 T + p^{5} T^{2} \)
17 \( 1 + 2218 T + p^{5} T^{2} \)
19 \( 1 + 142 p T + p^{5} T^{2} \)
23 \( 1 + 3344 T + p^{5} T^{2} \)
29 \( 1 - 3254 T + p^{5} T^{2} \)
31 \( 1 + 4788 T + p^{5} T^{2} \)
37 \( 1 - 310 p T + p^{5} T^{2} \)
41 \( 1 - 13350 T + p^{5} T^{2} \)
43 \( 1 + 928 T + p^{5} T^{2} \)
47 \( 1 + 1212 T + p^{5} T^{2} \)
53 \( 1 + 13110 T + p^{5} T^{2} \)
59 \( 1 - 34702 T + p^{5} T^{2} \)
61 \( 1 - 1032 T + p^{5} T^{2} \)
67 \( 1 - 10108 T + p^{5} T^{2} \)
71 \( 1 + 62720 T + p^{5} T^{2} \)
73 \( 1 + 18926 T + p^{5} T^{2} \)
79 \( 1 + 11400 T + p^{5} T^{2} \)
83 \( 1 - 88958 T + p^{5} T^{2} \)
89 \( 1 - 19722 T + p^{5} T^{2} \)
97 \( 1 - 17062 T + p^{5} T^{2} \)
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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

−9.607448436663434422815285467390, −8.831272220608483120750420165619, −8.112352556300035484618627402958, −7.40805663018661396529029824453, −6.29765959643422572044585850921, −4.50395807426003149809487740348, −4.00228849502141849805503051349, −2.46518072988386685954021228041, −2.03867660285874533329081846013, 0, 2.03867660285874533329081846013, 2.46518072988386685954021228041, 4.00228849502141849805503051349, 4.50395807426003149809487740348, 6.29765959643422572044585850921, 7.40805663018661396529029824453, 8.112352556300035484618627402958, 8.831272220608483120750420165619, 9.607448436663434422815285467390

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