Properties

Label 2-448-1.1-c3-0-22
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  + 10·3-s + 8·5-s − 7·7-s + 73·9-s + 40·11-s + 12·13-s + 80·15-s − 58·17-s − 26·19-s − 70·21-s − 64·23-s − 61·25-s + 460·27-s + 62·29-s + 252·31-s + 400·33-s − 56·35-s − 26·37-s + 120·39-s + 6·41-s − 416·43-s + 584·45-s − 396·47-s + 49·49-s − 580·51-s + 450·53-s + 320·55-s + ⋯
L(s)  = 1  + 1.92·3-s + 0.715·5-s − 0.377·7-s + 2.70·9-s + 1.09·11-s + 0.256·13-s + 1.37·15-s − 0.827·17-s − 0.313·19-s − 0.727·21-s − 0.580·23-s − 0.487·25-s + 3.27·27-s + 0.397·29-s + 1.46·31-s + 2.11·33-s − 0.270·35-s − 0.115·37-s + 0.492·39-s + 0.0228·41-s − 1.47·43-s + 1.93·45-s − 1.22·47-s + 1/7·49-s − 1.59·51-s + 1.16·53-s + 0.784·55-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

\(L(2)\) \(\approx\) \(4.505478247\)
\(L(\frac12)\) \(\approx\) \(4.505478247\)
\(L(\frac{5}{2})\) 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 \( 1 - 10 T + p^{3} T^{2} \)
5 \( 1 - 8 T + p^{3} T^{2} \)
11 \( 1 - 40 T + p^{3} T^{2} \)
13 \( 1 - 12 T + p^{3} T^{2} \)
17 \( 1 + 58 T + p^{3} T^{2} \)
19 \( 1 + 26 T + p^{3} T^{2} \)
23 \( 1 + 64 T + p^{3} T^{2} \)
29 \( 1 - 62 T + p^{3} T^{2} \)
31 \( 1 - 252 T + p^{3} T^{2} \)
37 \( 1 + 26 T + p^{3} T^{2} \)
41 \( 1 - 6 T + p^{3} T^{2} \)
43 \( 1 + 416 T + p^{3} T^{2} \)
47 \( 1 + 396 T + p^{3} T^{2} \)
53 \( 1 - 450 T + p^{3} T^{2} \)
59 \( 1 + 274 T + p^{3} T^{2} \)
61 \( 1 - 576 T + p^{3} T^{2} \)
67 \( 1 - 476 T + p^{3} T^{2} \)
71 \( 1 + 448 T + p^{3} T^{2} \)
73 \( 1 + 158 T + p^{3} T^{2} \)
79 \( 1 + 936 T + p^{3} T^{2} \)
83 \( 1 + 530 T + p^{3} T^{2} \)
89 \( 1 + 390 T + p^{3} T^{2} \)
97 \( 1 - 214 T + p^{3} T^{2} \)
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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

−10.09353233571804528834858042313, −9.755787149080613507792718166859, −8.770849430803615340030768324084, −8.309640590597552077329797419834, −7.01888141706865606453230044766, −6.29373133754404193390326139054, −4.47809848513677776869447353399, −3.58223832596677951757011782842, −2.47363566437369208362842139504, −1.51145227866669935189979176355, 1.51145227866669935189979176355, 2.47363566437369208362842139504, 3.58223832596677951757011782842, 4.47809848513677776869447353399, 6.29373133754404193390326139054, 7.01888141706865606453230044766, 8.309640590597552077329797419834, 8.770849430803615340030768324084, 9.755787149080613507792718166859, 10.09353233571804528834858042313

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