Properties

Label 2-448-1.1-c5-0-55
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  + 14·3-s + 56·5-s − 49·7-s − 47·9-s − 232·11-s + 140·13-s + 784·15-s − 1.72e3·17-s + 98·19-s − 686·21-s + 1.82e3·23-s + 11·25-s − 4.06e3·27-s − 3.41e3·29-s − 7.64e3·31-s − 3.24e3·33-s − 2.74e3·35-s + 1.03e4·37-s + 1.96e3·39-s − 1.79e4·41-s − 1.08e4·43-s − 2.63e3·45-s + 9.32e3·47-s + 2.40e3·49-s − 2.41e4·51-s − 2.26e3·53-s − 1.29e4·55-s + ⋯
L(s)  = 1  + 0.898·3-s + 1.00·5-s − 0.377·7-s − 0.193·9-s − 0.578·11-s + 0.229·13-s + 0.899·15-s − 1.44·17-s + 0.0622·19-s − 0.339·21-s + 0.718·23-s + 0.00351·25-s − 1.07·27-s − 0.754·29-s − 1.42·31-s − 0.519·33-s − 0.378·35-s + 1.24·37-s + 0.206·39-s − 1.66·41-s − 0.897·43-s − 0.193·45-s + 0.615·47-s + 1/7·49-s − 1.29·51-s − 0.110·53-s − 0.579·55-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 \( 1 - 14 T + p^{5} T^{2} \)
5 \( 1 - 56 T + p^{5} T^{2} \)
11 \( 1 + 232 T + p^{5} T^{2} \)
13 \( 1 - 140 T + p^{5} T^{2} \)
17 \( 1 + 1722 T + p^{5} T^{2} \)
19 \( 1 - 98 T + p^{5} T^{2} \)
23 \( 1 - 1824 T + p^{5} T^{2} \)
29 \( 1 + 3418 T + p^{5} T^{2} \)
31 \( 1 + 7644 T + p^{5} T^{2} \)
37 \( 1 - 10398 T + p^{5} T^{2} \)
41 \( 1 + 17962 T + p^{5} T^{2} \)
43 \( 1 + 10880 T + p^{5} T^{2} \)
47 \( 1 - 9324 T + p^{5} T^{2} \)
53 \( 1 + 2262 T + p^{5} T^{2} \)
59 \( 1 - 2730 T + p^{5} T^{2} \)
61 \( 1 + 25648 T + p^{5} T^{2} \)
67 \( 1 - 48404 T + p^{5} T^{2} \)
71 \( 1 + 58560 T + p^{5} T^{2} \)
73 \( 1 - 68082 T + p^{5} T^{2} \)
79 \( 1 - 31784 T + p^{5} T^{2} \)
83 \( 1 - 20538 T + p^{5} T^{2} \)
89 \( 1 + 50582 T + p^{5} T^{2} \)
97 \( 1 + 58506 T + p^{5} T^{2} \)
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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

−9.572186423720103341902559475669, −9.072170088684689451020630962931, −8.198408723726811012819148359678, −7.07741871134170647338469129867, −6.06942450842665248693991303434, −5.12694795573011926895635483555, −3.69155321867730111082411823474, −2.61827535252308303707076241144, −1.82279737152664029030478630011, 0, 1.82279737152664029030478630011, 2.61827535252308303707076241144, 3.69155321867730111082411823474, 5.12694795573011926895635483555, 6.06942450842665248693991303434, 7.07741871134170647338469129867, 8.198408723726811012819148359678, 9.072170088684689451020630962931, 9.572186423720103341902559475669

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