Properties

Label 2-448-1.1-c5-0-19
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 6·3-s − 4·5-s + 49·7-s − 207·9-s + 240·11-s + 744·13-s − 24·15-s − 1.04e3·17-s + 986·19-s + 294·21-s + 184·23-s − 3.10e3·25-s − 2.70e3·27-s + 734·29-s + 5.14e3·31-s + 1.44e3·33-s − 196·35-s + 6.05e3·37-s + 4.46e3·39-s + 7.59e3·41-s − 1.30e4·43-s + 828·45-s + 1.46e4·47-s + 2.40e3·49-s − 6.25e3·51-s + 1.45e4·53-s − 960·55-s + ⋯
L(s)  = 1  + 0.384·3-s − 0.0715·5-s + 0.377·7-s − 0.851·9-s + 0.598·11-s + 1.22·13-s − 0.0275·15-s − 0.874·17-s + 0.626·19-s + 0.145·21-s + 0.0725·23-s − 0.994·25-s − 0.712·27-s + 0.162·29-s + 0.960·31-s + 0.230·33-s − 0.0270·35-s + 0.727·37-s + 0.469·39-s + 0.705·41-s − 1.07·43-s + 0.0609·45-s + 0.968·47-s + 1/7·49-s − 0.336·51-s + 0.710·53-s − 0.0427·55-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: \(0\)
Selberg data: \((2,\ 448,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(2.533429897\)
\(L(\frac12)\) \(\approx\) \(2.533429897\)
\(L(\frac{7}{2})\) 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 \( 1 - 2 p T + p^{5} T^{2} \)
5 \( 1 + 4 T + p^{5} T^{2} \)
11 \( 1 - 240 T + p^{5} T^{2} \)
13 \( 1 - 744 T + p^{5} T^{2} \)
17 \( 1 + 1042 T + p^{5} T^{2} \)
19 \( 1 - 986 T + p^{5} T^{2} \)
23 \( 1 - 8 p T + p^{5} T^{2} \)
29 \( 1 - 734 T + p^{5} T^{2} \)
31 \( 1 - 5140 T + p^{5} T^{2} \)
37 \( 1 - 6054 T + p^{5} T^{2} \)
41 \( 1 - 7598 T + p^{5} T^{2} \)
43 \( 1 + 13016 T + p^{5} T^{2} \)
47 \( 1 - 14668 T + p^{5} T^{2} \)
53 \( 1 - 274 p T + p^{5} T^{2} \)
59 \( 1 - 13362 T + p^{5} T^{2} \)
61 \( 1 + 9676 T + p^{5} T^{2} \)
67 \( 1 - 62124 T + p^{5} T^{2} \)
71 \( 1 + 2112 T + p^{5} T^{2} \)
73 \( 1 + 28910 T + p^{5} T^{2} \)
79 \( 1 + 101768 T + p^{5} T^{2} \)
83 \( 1 - 23922 T + p^{5} T^{2} \)
89 \( 1 - 141674 T + p^{5} T^{2} \)
97 \( 1 - 99982 T + p^{5} T^{2} \)
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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

−10.30277838400926552230683988210, −9.163528318570113639610160206549, −8.562887469192301899326851464723, −7.72767320725219437129139464630, −6.48666862622166276676509845693, −5.66765496559096883918860607417, −4.34566015732478182756775958617, −3.36840064241437194659274594912, −2.14405741505726254636687670652, −0.820086804807737570575488818887, 0.820086804807737570575488818887, 2.14405741505726254636687670652, 3.36840064241437194659274594912, 4.34566015732478182756775958617, 5.66765496559096883918860607417, 6.48666862622166276676509845693, 7.72767320725219437129139464630, 8.562887469192301899326851464723, 9.163528318570113639610160206549, 10.30277838400926552230683988210

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