Properties

Label 2-448-1.1-c3-0-20
Degree $2$
Conductor $448$
Sign $1$
Analytic cond. $26.4328$
Root an. cond. $5.14128$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 8·3-s + 14·5-s + 7·7-s + 37·9-s − 28·11-s − 18·13-s + 112·15-s + 74·17-s + 80·19-s + 56·21-s + 112·23-s + 71·25-s + 80·27-s − 190·29-s − 72·31-s − 224·33-s + 98·35-s + 346·37-s − 144·39-s + 162·41-s − 412·43-s + 518·45-s − 24·47-s + 49·49-s + 592·51-s − 318·53-s − 392·55-s + ⋯
L(s)  = 1  + 1.53·3-s + 1.25·5-s + 0.377·7-s + 1.37·9-s − 0.767·11-s − 0.384·13-s + 1.92·15-s + 1.05·17-s + 0.965·19-s + 0.581·21-s + 1.01·23-s + 0.567·25-s + 0.570·27-s − 1.21·29-s − 0.417·31-s − 1.18·33-s + 0.473·35-s + 1.53·37-s − 0.591·39-s + 0.617·41-s − 1.46·43-s + 1.71·45-s − 0.0744·47-s + 1/7·49-s + 1.62·51-s − 0.824·53-s − 0.961·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(448\)    =    \(2^{6} \cdot 7\)
Sign: $1$
Analytic conductor: \(26.4328\)
Root analytic conductor: \(5.14128\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 448,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(4.283974960\)
\(L(\frac12)\) \(\approx\) \(4.283974960\)
\(L(\frac{5}{2})\) 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 \( 1 - p T \)
good3 \( 1 - 8 T + p^{3} T^{2} \)
5 \( 1 - 14 T + p^{3} T^{2} \)
11 \( 1 + 28 T + p^{3} T^{2} \)
13 \( 1 + 18 T + p^{3} T^{2} \)
17 \( 1 - 74 T + p^{3} T^{2} \)
19 \( 1 - 80 T + p^{3} T^{2} \)
23 \( 1 - 112 T + p^{3} T^{2} \)
29 \( 1 + 190 T + p^{3} T^{2} \)
31 \( 1 + 72 T + p^{3} T^{2} \)
37 \( 1 - 346 T + p^{3} T^{2} \)
41 \( 1 - 162 T + p^{3} T^{2} \)
43 \( 1 + 412 T + p^{3} T^{2} \)
47 \( 1 + 24 T + p^{3} T^{2} \)
53 \( 1 + 6 p T + p^{3} T^{2} \)
59 \( 1 + 200 T + p^{3} T^{2} \)
61 \( 1 - 198 T + p^{3} T^{2} \)
67 \( 1 + 716 T + p^{3} T^{2} \)
71 \( 1 + 392 T + p^{3} T^{2} \)
73 \( 1 - 538 T + p^{3} T^{2} \)
79 \( 1 + 240 T + p^{3} T^{2} \)
83 \( 1 + 1072 T + p^{3} T^{2} \)
89 \( 1 - 810 T + p^{3} T^{2} \)
97 \( 1 - 1354 T + p^{3} T^{2} \)
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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

−10.29633545839499744933870815156, −9.605566722010257815589731278328, −9.053261234170919809751656970241, −7.904554768202042088224548986474, −7.37375290430172677603737764982, −5.85006072957986524555581705593, −4.93783003046888888408441198634, −3.36264239617455678497994752113, −2.50788201354696195983896571886, −1.47189618084367035279294653513, 1.47189618084367035279294653513, 2.50788201354696195983896571886, 3.36264239617455678497994752113, 4.93783003046888888408441198634, 5.85006072957986524555581705593, 7.37375290430172677603737764982, 7.904554768202042088224548986474, 9.053261234170919809751656970241, 9.605566722010257815589731278328, 10.29633545839499744933870815156

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