Properties

Label 2-2646-1.1-c1-0-39
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 4-s + 5-s − 8-s − 10-s − 5·11-s + 16-s + 2·17-s + 19-s + 20-s + 5·22-s + 23-s − 4·25-s − 4·29-s + 9·31-s − 32-s − 2·34-s + 5·37-s − 38-s − 40-s − 9·41-s − 10·43-s − 5·44-s − 46-s + 6·47-s + 4·50-s − 12·53-s + ⋯
L(s)  = 1  − 0.707·2-s + 1/2·4-s + 0.447·5-s − 0.353·8-s − 0.316·10-s − 1.50·11-s + 1/4·16-s + 0.485·17-s + 0.229·19-s + 0.223·20-s + 1.06·22-s + 0.208·23-s − 4/5·25-s − 0.742·29-s + 1.61·31-s − 0.176·32-s − 0.342·34-s + 0.821·37-s − 0.162·38-s − 0.158·40-s − 1.40·41-s − 1.52·43-s − 0.753·44-s − 0.147·46-s + 0.875·47-s + 0.565·50-s − 1.64·53-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: \(1\)
Selberg data: \((2,\ 2646,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 - T + p T^{2} \)
11 \( 1 + 5 T + p T^{2} \)
13 \( 1 + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 - T + p T^{2} \)
23 \( 1 - T + p T^{2} \)
29 \( 1 + 4 T + p T^{2} \)
31 \( 1 - 9 T + p T^{2} \)
37 \( 1 - 5 T + p T^{2} \)
41 \( 1 + 9 T + p T^{2} \)
43 \( 1 + 10 T + p T^{2} \)
47 \( 1 - 6 T + p T^{2} \)
53 \( 1 + 12 T + p T^{2} \)
59 \( 1 + 14 T + p T^{2} \)
61 \( 1 + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 - 13 T + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 - 6 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 + 9 T + p T^{2} \)
97 \( 1 + 16 T + p T^{2} \)
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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

−8.220106110507082378650077005558, −8.010239712591061983505098763067, −7.09420888318909983631668599765, −6.20576320713408039250924060718, −5.47419592206286979467228248399, −4.69043273304129866250258936877, −3.31328950804851415057657782458, −2.53354081754411932509398833785, −1.48581375357083599961757008935, 0, 1.48581375357083599961757008935, 2.53354081754411932509398833785, 3.31328950804851415057657782458, 4.69043273304129866250258936877, 5.47419592206286979467228248399, 6.20576320713408039250924060718, 7.09420888318909983631668599765, 8.010239712591061983505098763067, 8.220106110507082378650077005558

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