Properties

Label 2-448-1.1-c3-0-0
Degree $2$
Conductor $448$
Sign $1$
Analytic cond. $26.4328$
Root an. cond. $5.14128$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 4.83·3-s − 11.8·5-s − 7·7-s − 3.62·9-s − 38.0·11-s − 68.7·13-s + 57.4·15-s + 10.8·17-s + 22.5·19-s + 33.8·21-s − 17.4·23-s + 16.1·25-s + 148.·27-s − 215.·29-s − 107.·31-s + 184·33-s + 83.1·35-s − 396.·37-s + 332.·39-s + 171.·41-s + 500.·43-s + 43.0·45-s + 300.·47-s + 49·49-s − 52.6·51-s − 35.1·53-s + 452.·55-s + ⋯
L(s)  = 1  − 0.930·3-s − 1.06·5-s − 0.377·7-s − 0.134·9-s − 1.04·11-s − 1.46·13-s + 0.988·15-s + 0.155·17-s + 0.272·19-s + 0.351·21-s − 0.158·23-s + 0.129·25-s + 1.05·27-s − 1.38·29-s − 0.625·31-s + 0.970·33-s + 0.401·35-s − 1.75·37-s + 1.36·39-s + 0.654·41-s + 1.77·43-s + 0.142·45-s + 0.932·47-s + 0.142·49-s − 0.144·51-s − 0.0909·53-s + 1.10·55-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 448,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.2805188790\)
\(L(\frac12)\) \(\approx\) \(0.2805188790\)
\(L(\frac{5}{2})\) 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 \( 1 + 7T \)
good3 \( 1 + 4.83T + 27T^{2} \)
5 \( 1 + 11.8T + 125T^{2} \)
11 \( 1 + 38.0T + 1.33e3T^{2} \)
13 \( 1 + 68.7T + 2.19e3T^{2} \)
17 \( 1 - 10.8T + 4.91e3T^{2} \)
19 \( 1 - 22.5T + 6.85e3T^{2} \)
23 \( 1 + 17.4T + 1.21e4T^{2} \)
29 \( 1 + 215.T + 2.43e4T^{2} \)
31 \( 1 + 107.T + 2.97e4T^{2} \)
37 \( 1 + 396.T + 5.06e4T^{2} \)
41 \( 1 - 171.T + 6.89e4T^{2} \)
43 \( 1 - 500.T + 7.95e4T^{2} \)
47 \( 1 - 300.T + 1.03e5T^{2} \)
53 \( 1 + 35.1T + 1.48e5T^{2} \)
59 \( 1 - 356.T + 2.05e5T^{2} \)
61 \( 1 - 882.T + 2.26e5T^{2} \)
67 \( 1 + 444.T + 3.00e5T^{2} \)
71 \( 1 + 72.5T + 3.57e5T^{2} \)
73 \( 1 + 649.T + 3.89e5T^{2} \)
79 \( 1 - 73.0T + 4.93e5T^{2} \)
83 \( 1 - 142.T + 5.71e5T^{2} \)
89 \( 1 + 620.T + 7.04e5T^{2} \)
97 \( 1 - 907.T + 9.12e5T^{2} \)
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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

−10.81322426449406331457425456098, −10.00368798769030187589836796984, −8.863408850294086318757791621418, −7.63416715499364042498047840574, −7.18926329051617644303867537959, −5.74424762247203823559300396988, −5.08616755580471923085645961237, −3.85932582049894310651415141282, −2.54754618416332929168536839171, −0.32919140653559681334308315004, 0.32919140653559681334308315004, 2.54754618416332929168536839171, 3.85932582049894310651415141282, 5.08616755580471923085645961237, 5.74424762247203823559300396988, 7.18926329051617644303867537959, 7.63416715499364042498047840574, 8.863408850294086318757791621418, 10.00368798769030187589836796984, 10.81322426449406331457425456098

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