Properties

Label 2-448-1.1-c5-0-25
Degree $2$
Conductor $448$
Sign $1$
Analytic cond. $71.8519$
Root an. cond. $8.47655$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 14.8·3-s + 37.6·5-s − 49·7-s − 23.6·9-s + 149.·11-s + 627.·13-s + 557.·15-s − 637.·17-s + 1.30e3·19-s − 725.·21-s − 376.·23-s − 1.70e3·25-s − 3.94e3·27-s + 6.21e3·29-s + 6.03e3·31-s + 2.21e3·33-s − 1.84e3·35-s + 3.63e3·37-s + 9.29e3·39-s + 1.27e4·41-s + 3.34e3·43-s − 891.·45-s + 1.43e4·47-s + 2.40e3·49-s − 9.43e3·51-s + 4.58e3·53-s + 5.62e3·55-s + ⋯
L(s)  = 1  + 0.950·3-s + 0.673·5-s − 0.377·7-s − 0.0973·9-s + 0.371·11-s + 1.03·13-s + 0.640·15-s − 0.534·17-s + 0.830·19-s − 0.359·21-s − 0.148·23-s − 0.545·25-s − 1.04·27-s + 1.37·29-s + 1.12·31-s + 0.353·33-s − 0.254·35-s + 0.436·37-s + 0.978·39-s + 1.18·41-s + 0.276·43-s − 0.0656·45-s + 0.947·47-s + 0.142·49-s − 0.508·51-s + 0.224·53-s + 0.250·55-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 448,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(3.568605371\)
\(L(\frac12)\) \(\approx\) \(3.568605371\)
\(L(\frac{7}{2})\) 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 \( 1 + 49T \)
good3 \( 1 - 14.8T + 243T^{2} \)
5 \( 1 - 37.6T + 3.12e3T^{2} \)
11 \( 1 - 149.T + 1.61e5T^{2} \)
13 \( 1 - 627.T + 3.71e5T^{2} \)
17 \( 1 + 637.T + 1.41e6T^{2} \)
19 \( 1 - 1.30e3T + 2.47e6T^{2} \)
23 \( 1 + 376.T + 6.43e6T^{2} \)
29 \( 1 - 6.21e3T + 2.05e7T^{2} \)
31 \( 1 - 6.03e3T + 2.86e7T^{2} \)
37 \( 1 - 3.63e3T + 6.93e7T^{2} \)
41 \( 1 - 1.27e4T + 1.15e8T^{2} \)
43 \( 1 - 3.34e3T + 1.47e8T^{2} \)
47 \( 1 - 1.43e4T + 2.29e8T^{2} \)
53 \( 1 - 4.58e3T + 4.18e8T^{2} \)
59 \( 1 + 1.13e4T + 7.14e8T^{2} \)
61 \( 1 + 3.08e3T + 8.44e8T^{2} \)
67 \( 1 + 3.52e4T + 1.35e9T^{2} \)
71 \( 1 - 4.89e4T + 1.80e9T^{2} \)
73 \( 1 - 1.51e4T + 2.07e9T^{2} \)
79 \( 1 - 2.36e4T + 3.07e9T^{2} \)
83 \( 1 - 2.80e4T + 3.93e9T^{2} \)
89 \( 1 + 1.21e5T + 5.58e9T^{2} \)
97 \( 1 + 646.T + 8.58e9T^{2} \)
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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

−10.06031029659649579113594073095, −9.294342858854685019458983112285, −8.625958692216168941136364766463, −7.72616614893169521356668778559, −6.46859021610813778820027951592, −5.75951582626542621150559710315, −4.27766983235689681264895631053, −3.19081646982074998064919755345, −2.28211042323654509864055031667, −0.965838570595803615284219137360, 0.965838570595803615284219137360, 2.28211042323654509864055031667, 3.19081646982074998064919755345, 4.27766983235689681264895631053, 5.75951582626542621150559710315, 6.46859021610813778820027951592, 7.72616614893169521356668778559, 8.625958692216168941136364766463, 9.294342858854685019458983112285, 10.06031029659649579113594073095

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