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Properties

Label 2-490-35.4-c1-0-14
Degree $2$
Conductor $490$
Sign $0.988 + 0.152i$
Analytic cond. $3.91266$
Root an. cond. $1.97804$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.866 − 0.5i)2-s + (2.12 + 1.22i)3-s + (0.499 − 0.866i)4-s + (1.81 − 1.30i)5-s + 2.44·6-s − 0.999i·8-s + (1.49 + 2.59i)9-s + (0.917 − 2.03i)10-s + (−2.44 + 4.24i)11-s + (2.12 − 1.22i)12-s + 0.449i·13-s + (5.44 − 0.550i)15-s + (−0.5 − 0.866i)16-s + (−1.73 − i)17-s + (2.59 + 1.49i)18-s + (−3.22 − 5.58i)19-s + ⋯
L(s)  = 1  + (0.612 − 0.353i)2-s + (1.22 + 0.707i)3-s + (0.249 − 0.433i)4-s + (0.811 − 0.584i)5-s + 0.999·6-s − 0.353i·8-s + (0.499 + 0.866i)9-s + (0.290 − 0.644i)10-s + (−0.738 + 1.27i)11-s + (0.612 − 0.353i)12-s + 0.124i·13-s + (1.40 − 0.142i)15-s + (−0.125 − 0.216i)16-s + (−0.420 − 0.242i)17-s + (0.612 + 0.353i)18-s + (−0.739 − 1.28i)19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 490 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.988 + 0.152i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 490 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.988 + 0.152i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(490\)    =    \(2 \cdot 5 \cdot 7^{2}\)
Sign: $0.988 + 0.152i$
Analytic conductor: \(3.91266\)
Root analytic conductor: \(1.97804\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{490} (459, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 490,\ (\ :1/2),\ 0.988 + 0.152i)\)

Particular Values

\(L(1)\) \(\approx\) \(3.03720 - 0.232528i\)
\(L(\frac12)\) \(\approx\) \(3.03720 - 0.232528i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.866 + 0.5i)T \)
5 \( 1 + (-1.81 + 1.30i)T \)
7 \( 1 \)
good3 \( 1 + (-2.12 - 1.22i)T + (1.5 + 2.59i)T^{2} \)
11 \( 1 + (2.44 - 4.24i)T + (-5.5 - 9.52i)T^{2} \)
13 \( 1 - 0.449iT - 13T^{2} \)
17 \( 1 + (1.73 + i)T + (8.5 + 14.7i)T^{2} \)
19 \( 1 + (3.22 + 5.58i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (5.97 - 3.44i)T + (11.5 - 19.9i)T^{2} \)
29 \( 1 - 2.89T + 29T^{2} \)
31 \( 1 + (0.449 - 0.778i)T + (-15.5 - 26.8i)T^{2} \)
37 \( 1 + (1.73 - i)T + (18.5 - 32.0i)T^{2} \)
41 \( 1 - 10.8T + 41T^{2} \)
43 \( 1 - 8.89iT - 43T^{2} \)
47 \( 1 + (0.778 - 0.449i)T + (23.5 - 40.7i)T^{2} \)
53 \( 1 + (-0.953 - 0.550i)T + (26.5 + 45.8i)T^{2} \)
59 \( 1 + (-3.22 + 5.58i)T + (-29.5 - 51.0i)T^{2} \)
61 \( 1 + (-4.22 - 7.31i)T + (-30.5 + 52.8i)T^{2} \)
67 \( 1 + (6.92 + 4i)T + (33.5 + 58.0i)T^{2} \)
71 \( 1 + 10.8T + 71T^{2} \)
73 \( 1 + (5.97 + 3.44i)T + (36.5 + 63.2i)T^{2} \)
79 \( 1 + (1.44 + 2.51i)T + (-39.5 + 68.4i)T^{2} \)
83 \( 1 + 2.44iT - 83T^{2} \)
89 \( 1 + (-5 - 8.66i)T + (-44.5 + 77.0i)T^{2} \)
97 \( 1 + 3.79iT - 97T^{2} \)
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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

−10.70725252302961327699263635097, −9.882742541477205159014513266743, −9.383234403523106990313758510424, −8.506055264383167743124963974440, −7.38201506433324097357726109028, −6.08718308715875780005479392281, −4.78687288580673638851256134378, −4.30935194868626491306859508180, −2.78507681104172995137174624243, −2.03138564069713966821863161942, 2.04334240994385253305281612155, 2.86166375789601004525030271409, 3.92974511960388575541158503133, 5.66851242582104951387829776818, 6.27940874187768038126870490055, 7.38306539175079733475263343069, 8.234571254139816032386461872954, 8.801780826255665347991819872010, 10.17248898514516029166577760095, 10.87187111266764844253248957589

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