Properties

Label 2-448-1.1-c5-0-18
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  − 20.0·3-s + 33.3·5-s + 49·7-s + 159.·9-s + 660.·11-s + 145.·13-s − 668.·15-s + 435.·17-s + 1.52e3·19-s − 982.·21-s + 206.·23-s − 2.01e3·25-s + 1.68e3·27-s + 2.03e3·29-s − 1.15e3·31-s − 1.32e4·33-s + 1.63e3·35-s − 6.75e3·37-s − 2.92e3·39-s − 1.53e4·41-s + 6.25e3·43-s + 5.29e3·45-s + 1.26e4·47-s + 2.40e3·49-s − 8.72e3·51-s − 1.08e4·53-s + 2.20e4·55-s + ⋯
L(s)  = 1  − 1.28·3-s + 0.596·5-s + 0.377·7-s + 0.654·9-s + 1.64·11-s + 0.239·13-s − 0.766·15-s + 0.365·17-s + 0.970·19-s − 0.486·21-s + 0.0814·23-s − 0.644·25-s + 0.444·27-s + 0.450·29-s − 0.215·31-s − 2.11·33-s + 0.225·35-s − 0.811·37-s − 0.307·39-s − 1.42·41-s + 0.516·43-s + 0.390·45-s + 0.832·47-s + 0.142·49-s − 0.469·51-s − 0.530·53-s + 0.980·55-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

\(L(3)\) \(\approx\) \(1.807134511\)
\(L(\frac12)\) \(\approx\) \(1.807134511\)
\(L(\frac{7}{2})\) 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 \( 1 + 20.0T + 243T^{2} \)
5 \( 1 - 33.3T + 3.12e3T^{2} \)
11 \( 1 - 660.T + 1.61e5T^{2} \)
13 \( 1 - 145.T + 3.71e5T^{2} \)
17 \( 1 - 435.T + 1.41e6T^{2} \)
19 \( 1 - 1.52e3T + 2.47e6T^{2} \)
23 \( 1 - 206.T + 6.43e6T^{2} \)
29 \( 1 - 2.03e3T + 2.05e7T^{2} \)
31 \( 1 + 1.15e3T + 2.86e7T^{2} \)
37 \( 1 + 6.75e3T + 6.93e7T^{2} \)
41 \( 1 + 1.53e4T + 1.15e8T^{2} \)
43 \( 1 - 6.25e3T + 1.47e8T^{2} \)
47 \( 1 - 1.26e4T + 2.29e8T^{2} \)
53 \( 1 + 1.08e4T + 4.18e8T^{2} \)
59 \( 1 + 5.25e4T + 7.14e8T^{2} \)
61 \( 1 - 4.67e4T + 8.44e8T^{2} \)
67 \( 1 - 4.38e4T + 1.35e9T^{2} \)
71 \( 1 - 3.46e4T + 1.80e9T^{2} \)
73 \( 1 + 6.08e4T + 2.07e9T^{2} \)
79 \( 1 + 2.26e4T + 3.07e9T^{2} \)
83 \( 1 - 3.88e4T + 3.93e9T^{2} \)
89 \( 1 - 5.98e3T + 5.58e9T^{2} \)
97 \( 1 - 6.73e4T + 8.58e9T^{2} \)
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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

−10.37290942857218780562680484965, −9.551301651583423306606272758956, −8.615080417251311953318602777835, −7.24402008520926145041670943667, −6.35613435471612349741653809956, −5.67009353926424589884720863296, −4.75548740622755235940270115080, −3.51867339561346735721580831021, −1.70856088688335314768078405180, −0.794798929894067617019137886423, 0.794798929894067617019137886423, 1.70856088688335314768078405180, 3.51867339561346735721580831021, 4.75548740622755235940270115080, 5.67009353926424589884720863296, 6.35613435471612349741653809956, 7.24402008520926145041670943667, 8.615080417251311953318602777835, 9.551301651583423306606272758956, 10.37290942857218780562680484965

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