Properties

Label 2-38-1.1-c9-0-8
Degree $2$
Conductor $38$
Sign $-1$
Analytic cond. $19.5713$
Root an. cond. $4.42395$
Motivic weight $9$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 16·2-s + 62.2·3-s + 256·4-s − 420.·5-s − 995.·6-s + 1.75e3·7-s − 4.09e3·8-s − 1.58e4·9-s + 6.72e3·10-s + 2.53e4·11-s + 1.59e4·12-s − 6.99e3·13-s − 2.80e4·14-s − 2.61e4·15-s + 6.55e4·16-s + 2.40e5·17-s + 2.52e5·18-s − 1.30e5·19-s − 1.07e5·20-s + 1.09e5·21-s − 4.05e5·22-s − 2.31e6·23-s − 2.54e5·24-s − 1.77e6·25-s + 1.11e5·26-s − 2.20e6·27-s + 4.48e5·28-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.443·3-s + 0.5·4-s − 0.300·5-s − 0.313·6-s + 0.275·7-s − 0.353·8-s − 0.803·9-s + 0.212·10-s + 0.521·11-s + 0.221·12-s − 0.0678·13-s − 0.194·14-s − 0.133·15-s + 0.250·16-s + 0.698·17-s + 0.567·18-s − 0.229·19-s − 0.150·20-s + 0.122·21-s − 0.368·22-s − 1.72·23-s − 0.156·24-s − 0.909·25-s + 0.0480·26-s − 0.800·27-s + 0.137·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(10-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+9/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $-1$
Analytic conductor: \(19.5713\)
Root analytic conductor: \(4.42395\)
Motivic weight: \(9\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 38,\ (\ :9/2),\ -1)\)

Particular Values

\(L(5)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{11}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 16T \)
19 \( 1 + 1.30e5T \)
good3 \( 1 - 62.2T + 1.96e4T^{2} \)
5 \( 1 + 420.T + 1.95e6T^{2} \)
7 \( 1 - 1.75e3T + 4.03e7T^{2} \)
11 \( 1 - 2.53e4T + 2.35e9T^{2} \)
13 \( 1 + 6.99e3T + 1.06e10T^{2} \)
17 \( 1 - 2.40e5T + 1.18e11T^{2} \)
23 \( 1 + 2.31e6T + 1.80e12T^{2} \)
29 \( 1 + 1.57e6T + 1.45e13T^{2} \)
31 \( 1 + 7.59e6T + 2.64e13T^{2} \)
37 \( 1 + 1.09e7T + 1.29e14T^{2} \)
41 \( 1 - 7.36e6T + 3.27e14T^{2} \)
43 \( 1 - 5.70e6T + 5.02e14T^{2} \)
47 \( 1 + 1.06e7T + 1.11e15T^{2} \)
53 \( 1 - 5.95e7T + 3.29e15T^{2} \)
59 \( 1 + 3.81e7T + 8.66e15T^{2} \)
61 \( 1 + 1.83e7T + 1.16e16T^{2} \)
67 \( 1 + 9.90e6T + 2.72e16T^{2} \)
71 \( 1 + 1.26e7T + 4.58e16T^{2} \)
73 \( 1 - 1.71e8T + 5.88e16T^{2} \)
79 \( 1 + 1.21e8T + 1.19e17T^{2} \)
83 \( 1 + 9.20e7T + 1.86e17T^{2} \)
89 \( 1 + 2.37e8T + 3.50e17T^{2} \)
97 \( 1 + 1.27e9T + 7.60e17T^{2} \)
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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

−13.98139098458629126486070428067, −12.20966176231991608067352030159, −11.20759619341109734133043041513, −9.758615537894340220968745571513, −8.558661561098450850884668100867, −7.56615790628752382989532129469, −5.83641717365814929891329289892, −3.65208497007181374866040355129, −1.92433902697934951331337668580, 0, 1.92433902697934951331337668580, 3.65208497007181374866040355129, 5.83641717365814929891329289892, 7.56615790628752382989532129469, 8.558661561098450850884668100867, 9.758615537894340220968745571513, 11.20759619341109734133043041513, 12.20966176231991608067352030159, 13.98139098458629126486070428067

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