Properties

Label 2-448-1.1-c3-0-26
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 4.64·3-s + 18.3·5-s + 7·7-s − 5.38·9-s − 39.5·11-s − 64.5·13-s − 85.2·15-s + 109.·17-s − 137.·19-s − 32.5·21-s + 45.2·23-s + 211.·25-s + 150.·27-s + 41.1·29-s − 262.·31-s + 184·33-s + 128.·35-s − 125.·37-s + 299.·39-s − 299.·41-s − 36.9·43-s − 98.7·45-s − 122.·47-s + 49·49-s − 507.·51-s + 20.4·53-s − 725.·55-s + ⋯
L(s)  = 1  − 0.894·3-s + 1.63·5-s + 0.377·7-s − 0.199·9-s − 1.08·11-s − 1.37·13-s − 1.46·15-s + 1.55·17-s − 1.65·19-s − 0.338·21-s + 0.410·23-s + 1.68·25-s + 1.07·27-s + 0.263·29-s − 1.52·31-s + 0.970·33-s + 0.619·35-s − 0.558·37-s + 1.23·39-s − 1.14·41-s − 0.130·43-s − 0.327·45-s − 0.381·47-s + 0.142·49-s − 1.39·51-s + 0.0530·53-s − 1.77·55-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: \(1\)
Selberg data: \((2,\ 448,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 + 4.64T + 27T^{2} \)
5 \( 1 - 18.3T + 125T^{2} \)
11 \( 1 + 39.5T + 1.33e3T^{2} \)
13 \( 1 + 64.5T + 2.19e3T^{2} \)
17 \( 1 - 109.T + 4.91e3T^{2} \)
19 \( 1 + 137.T + 6.85e3T^{2} \)
23 \( 1 - 45.2T + 1.21e4T^{2} \)
29 \( 1 - 41.1T + 2.43e4T^{2} \)
31 \( 1 + 262.T + 2.97e4T^{2} \)
37 \( 1 + 125.T + 5.06e4T^{2} \)
41 \( 1 + 299.T + 6.89e4T^{2} \)
43 \( 1 + 36.9T + 7.95e4T^{2} \)
47 \( 1 + 122.T + 1.03e5T^{2} \)
53 \( 1 - 20.4T + 1.48e5T^{2} \)
59 \( 1 - 60.8T + 2.05e5T^{2} \)
61 \( 1 + 791.T + 2.26e5T^{2} \)
67 \( 1 + 1.04e3T + 3.00e5T^{2} \)
71 \( 1 - 407.T + 3.57e5T^{2} \)
73 \( 1 - 562.T + 3.89e5T^{2} \)
79 \( 1 + 601.T + 4.93e5T^{2} \)
83 \( 1 - 652.T + 5.71e5T^{2} \)
89 \( 1 + 898.T + 7.04e5T^{2} \)
97 \( 1 + 621.T + 9.12e5T^{2} \)
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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

−10.38530418728024436822865528340, −9.590555392833721125144351186902, −8.478010570946674520603354561141, −7.29429233629867044683025344207, −6.19761748711493848947762377371, −5.39288904654500481081816923157, −4.94314567357483017762738823743, −2.82411689065143688149071198526, −1.75188498554489146168919842407, 0, 1.75188498554489146168919842407, 2.82411689065143688149071198526, 4.94314567357483017762738823743, 5.39288904654500481081816923157, 6.19761748711493848947762377371, 7.29429233629867044683025344207, 8.478010570946674520603354561141, 9.590555392833721125144351186902, 10.38530418728024436822865528340

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