Properties

Label 2-490-1.1-c3-0-1
Degree $2$
Conductor $490$
Sign $1$
Analytic cond. $28.9109$
Root an. cond. $5.37688$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2·2-s − 3-s + 4·4-s − 5·5-s + 2·6-s − 8·8-s − 26·9-s + 10·10-s − 2·11-s − 4·12-s − 8·13-s + 5·15-s + 16·16-s − 52·17-s + 52·18-s + 26·19-s − 20·20-s + 4·22-s + 67·23-s + 8·24-s + 25·25-s + 16·26-s + 53·27-s + 69·29-s − 10·30-s − 332·31-s − 32·32-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.192·3-s + 1/2·4-s − 0.447·5-s + 0.136·6-s − 0.353·8-s − 0.962·9-s + 0.316·10-s − 0.0548·11-s − 0.0962·12-s − 0.170·13-s + 0.0860·15-s + 1/4·16-s − 0.741·17-s + 0.680·18-s + 0.313·19-s − 0.223·20-s + 0.0387·22-s + 0.607·23-s + 0.0680·24-s + 1/5·25-s + 0.120·26-s + 0.377·27-s + 0.441·29-s − 0.0608·30-s − 1.92·31-s − 0.176·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 490 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 490 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(490\)    =    \(2 \cdot 5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(28.9109\)
Root analytic conductor: \(5.37688\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 490,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.8022464735\)
\(L(\frac12)\) \(\approx\) \(0.8022464735\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + p T \)
5 \( 1 + p T \)
7 \( 1 \)
good3 \( 1 + T + p^{3} T^{2} \)
11 \( 1 + 2 T + p^{3} T^{2} \)
13 \( 1 + 8 T + p^{3} T^{2} \)
17 \( 1 + 52 T + p^{3} T^{2} \)
19 \( 1 - 26 T + p^{3} T^{2} \)
23 \( 1 - 67 T + p^{3} T^{2} \)
29 \( 1 - 69 T + p^{3} T^{2} \)
31 \( 1 + 332 T + p^{3} T^{2} \)
37 \( 1 - 196 T + p^{3} T^{2} \)
41 \( 1 - 353 T + p^{3} T^{2} \)
43 \( 1 + 369 T + p^{3} T^{2} \)
47 \( 1 - 88 T + p^{3} T^{2} \)
53 \( 1 - 582 T + p^{3} T^{2} \)
59 \( 1 + 350 T + p^{3} T^{2} \)
61 \( 1 + 467 T + p^{3} T^{2} \)
67 \( 1 - 291 T + p^{3} T^{2} \)
71 \( 1 - 770 T + p^{3} T^{2} \)
73 \( 1 - 628 T + p^{3} T^{2} \)
79 \( 1 - 1170 T + p^{3} T^{2} \)
83 \( 1 - 525 T + p^{3} T^{2} \)
89 \( 1 - p T + p^{3} T^{2} \)
97 \( 1 + 290 T + p^{3} T^{2} \)
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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

−10.75851222888220370831044016785, −9.481689682394618498705545649185, −8.815507600041090726116751587567, −7.917918767373146835004163066268, −7.03849984585984076153637534974, −6.01390022844895197625069533291, −4.94319952905383978287203942787, −3.50208271960999730966444199829, −2.30264428165465967368572576511, −0.60434717543539284680372936163, 0.60434717543539284680372936163, 2.30264428165465967368572576511, 3.50208271960999730966444199829, 4.94319952905383978287203942787, 6.01390022844895197625069533291, 7.03849984585984076153637534974, 7.917918767373146835004163066268, 8.815507600041090726116751587567, 9.481689682394618498705545649185, 10.75851222888220370831044016785

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