Properties

Degree 2
Conductor $ 2 \cdot 3 \cdot 11 \cdot 61 $
Sign $1$
Motivic weight 1
Primitive yes
Self-dual yes
Analytic rank 0

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 3-s + 4-s + 4·5-s − 6-s + 4·7-s − 8-s + 9-s − 4·10-s − 11-s + 12-s + 6·13-s − 4·14-s + 4·15-s + 16-s − 6·17-s − 18-s + 4·20-s + 4·21-s + 22-s − 4·23-s − 24-s + 11·25-s − 6·26-s + 27-s + 4·28-s − 6·29-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.577·3-s + 1/2·4-s + 1.78·5-s − 0.408·6-s + 1.51·7-s − 0.353·8-s + 1/3·9-s − 1.26·10-s − 0.301·11-s + 0.288·12-s + 1.66·13-s − 1.06·14-s + 1.03·15-s + 1/4·16-s − 1.45·17-s − 0.235·18-s + 0.894·20-s + 0.872·21-s + 0.213·22-s − 0.834·23-s − 0.204·24-s + 11/5·25-s − 1.17·26-s + 0.192·27-s + 0.755·28-s − 1.11·29-s + ⋯

Functional equation

\[\begin{aligned} \Lambda(s)=\mathstrut & 4026 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned} \]
\[\begin{aligned} \Lambda(s)=\mathstrut & 4026 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned} \]

Invariants

\( d \)  =  \(2\)
\( N \)  =  \(4026\)    =    \(2 \cdot 3 \cdot 11 \cdot 61\)
\( \varepsilon \)  =  $1$
motivic weight  =  \(1\)
character  :  $\chi_{4026} (1, \cdot )$
primitive  :  yes
self-dual  :  yes
analytic rank  =  0
Selberg data  =  $(2,\ 4026,\ (\ :1/2),\ 1)$
$L(1)$  $\approx$  $3.094734690$
$L(\frac12)$  $\approx$  $3.094734690$
$L(\frac{3}{2})$   not available
$L(1)$   not available

Euler product

\[L(s) = \prod_{p \text{ prime}} F_p(p^{-s})^{-1} \] where, for $p \notin \{2,\;3,\;11,\;61\}$, \[F_p(T) = 1 - a_p T + p T^2 .\]If $p \in \{2,\;3,\;11,\;61\}$, then $F_p$ is a polynomial of degree at most 1.
$p$$F_p$
bad2 \( 1 + T \)
3 \( 1 - T \)
11 \( 1 + T \)
61 \( 1 + T \)
good5 \( 1 - 4 T + p T^{2} \)
7 \( 1 - 4 T + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 + 6 T + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + 6 T + p T^{2} \)
37 \( 1 + p T^{2} \)
41 \( 1 - 12 T + p T^{2} \)
43 \( 1 - 10 T + p T^{2} \)
47 \( 1 + 6 T + p T^{2} \)
53 \( 1 + 14 T + p T^{2} \)
59 \( 1 - 12 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 + 6 T + p T^{2} \)
79 \( 1 - 4 T + p T^{2} \)
83 \( 1 - 6 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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\[\begin{aligned} L(s) = \prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1} \end{aligned}\]

Imaginary part of the first few zeros on the critical line

−8.504813622403158755999790179386, −7.983539313733492512983175922018, −7.09198953830004083511910783494, −6.14584505279045050546879567889, −5.72584957774270213764923032130, −4.75766149710626322437813506935, −3.77875930935357350291687021724, −2.38081091892774572566155165472, −1.95477332916121725533922654784, −1.22922377685872579326064454995, 1.22922377685872579326064454995, 1.95477332916121725533922654784, 2.38081091892774572566155165472, 3.77875930935357350291687021724, 4.75766149710626322437813506935, 5.72584957774270213764923032130, 6.14584505279045050546879567889, 7.09198953830004083511910783494, 7.983539313733492512983175922018, 8.504813622403158755999790179386

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