Properties

Label 2-2646-1.1-c1-0-4
Degree $2$
Conductor $2646$
Sign $1$
Analytic cond. $21.1284$
Root an. cond. $4.59656$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s + 4-s − 4·5-s + 8-s − 4·10-s − 4·11-s − 3·13-s + 16-s + 7·17-s − 2·19-s − 4·20-s − 4·22-s − 23-s + 11·25-s − 3·26-s + 29-s + 9·31-s + 32-s + 7·34-s + 2·37-s − 2·38-s − 4·40-s − 6·41-s + 11·43-s − 4·44-s − 46-s + 6·47-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s − 1.78·5-s + 0.353·8-s − 1.26·10-s − 1.20·11-s − 0.832·13-s + 1/4·16-s + 1.69·17-s − 0.458·19-s − 0.894·20-s − 0.852·22-s − 0.208·23-s + 11/5·25-s − 0.588·26-s + 0.185·29-s + 1.61·31-s + 0.176·32-s + 1.20·34-s + 0.328·37-s − 0.324·38-s − 0.632·40-s − 0.937·41-s + 1.67·43-s − 0.603·44-s − 0.147·46-s + 0.875·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2646 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2646 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2646\)    =    \(2 \cdot 3^{3} \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(21.1284\)
Root analytic conductor: \(4.59656\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2646,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.656626651\)
\(L(\frac12)\) \(\approx\) \(1.656626651\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
3 \( 1 \)
7 \( 1 \)
good5 \( 1 + 4 T + p T^{2} \)
11 \( 1 + 4 T + p T^{2} \)
13 \( 1 + 3 T + p T^{2} \)
17 \( 1 - 7 T + p T^{2} \)
19 \( 1 + 2 T + p T^{2} \)
23 \( 1 + T + p T^{2} \)
29 \( 1 - T + p T^{2} \)
31 \( 1 - 9 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 - 11 T + p T^{2} \)
47 \( 1 - 6 T + p T^{2} \)
53 \( 1 + 9 T + p T^{2} \)
59 \( 1 - 5 T + p T^{2} \)
61 \( 1 - 6 T + p T^{2} \)
67 \( 1 - 7 T + p T^{2} \)
71 \( 1 + 7 T + p T^{2} \)
73 \( 1 - 14 T + p T^{2} \)
79 \( 1 + 6 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 - 3 T + p T^{2} \)
97 \( 1 - 8 T + p T^{2} \)
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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

−8.485240021856802401100670256398, −7.83608042156279609032829065211, −7.56021917392666347894817006573, −6.64357463057319941648023312557, −5.53275397574396040837129304472, −4.82501541963824197926079621555, −4.11635192721921721617405541188, −3.24971186348334637012272670615, −2.54210446466499598804330727165, −0.70670078780865989419083230256, 0.70670078780865989419083230256, 2.54210446466499598804330727165, 3.24971186348334637012272670615, 4.11635192721921721617405541188, 4.82501541963824197926079621555, 5.53275397574396040837129304472, 6.64357463057319941648023312557, 7.56021917392666347894817006573, 7.83608042156279609032829065211, 8.485240021856802401100670256398

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