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Properties

Label 2-690-345.344-c1-0-19
Degree $2$
Conductor $690$
Sign $0.936 - 0.350i$
Analytic cond. $5.50967$
Root an. cond. $2.34727$
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  − 2-s + (−1.65 + 0.497i)3-s + 4-s + (1.15 + 1.91i)5-s + (1.65 − 0.497i)6-s + 3.15·7-s − 8-s + (2.50 − 1.64i)9-s + (−1.15 − 1.91i)10-s + 2.63·11-s + (−1.65 + 0.497i)12-s − 3.37i·13-s − 3.15·14-s + (−2.86 − 2.60i)15-s + 16-s + 0.331i·17-s + ⋯
L(s)  = 1  − 0.707·2-s + (−0.957 + 0.286i)3-s + 0.5·4-s + (0.516 + 0.856i)5-s + (0.677 − 0.202i)6-s + 1.19·7-s − 0.353·8-s + (0.835 − 0.549i)9-s + (−0.365 − 0.605i)10-s + 0.795·11-s + (−0.478 + 0.143i)12-s − 0.936i·13-s − 0.844·14-s + (−0.740 − 0.672i)15-s + 0.250·16-s + 0.0803i·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.936 - 0.350i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.936 - 0.350i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(690\)    =    \(2 \cdot 3 \cdot 5 \cdot 23\)
Sign: $0.936 - 0.350i$
Analytic conductor: \(5.50967\)
Root analytic conductor: \(2.34727\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{690} (689, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 690,\ (\ :1/2),\ 0.936 - 0.350i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.05395 + 0.190475i\)
\(L(\frac12)\) \(\approx\) \(1.05395 + 0.190475i\)
\(L(\frac{3}{2})\) 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 \( 1 + (1.65 - 0.497i)T \)
5 \( 1 + (-1.15 - 1.91i)T \)
23 \( 1 + (-2.19 + 4.26i)T \)
good7 \( 1 - 3.15T + 7T^{2} \)
11 \( 1 - 2.63T + 11T^{2} \)
13 \( 1 + 3.37iT - 13T^{2} \)
17 \( 1 - 0.331iT - 17T^{2} \)
19 \( 1 + 2.06iT - 19T^{2} \)
29 \( 1 + 6.73iT - 29T^{2} \)
31 \( 1 - 2.38T + 31T^{2} \)
37 \( 1 + 2.62T + 37T^{2} \)
41 \( 1 - 6.92iT - 41T^{2} \)
43 \( 1 - 7.19T + 43T^{2} \)
47 \( 1 - 11.0T + 47T^{2} \)
53 \( 1 + 13.7iT - 53T^{2} \)
59 \( 1 - 12.0iT - 59T^{2} \)
61 \( 1 - 0.685iT - 61T^{2} \)
67 \( 1 + 0.468T + 67T^{2} \)
71 \( 1 - 5.57iT - 71T^{2} \)
73 \( 1 - 7.91iT - 73T^{2} \)
79 \( 1 - 6.81iT - 79T^{2} \)
83 \( 1 + 4.16iT - 83T^{2} \)
89 \( 1 - 7.02T + 89T^{2} \)
97 \( 1 + 18.2T + 97T^{2} \)
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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

−10.51666588100662356064818670427, −9.912265604870720512703066719195, −8.911024417331614976209244952889, −7.85710922952399323159134130996, −6.95271053533489159638236637225, −6.15514454403607869311168538532, −5.27494340440058329803788747409, −4.10078029926968852445210046456, −2.52173438689153987312415070890, −1.07497896527813222365153417516, 1.18800844666104462908152449318, 1.86980551592096421163559601185, 4.18752682877196564674495974804, 5.11852235718096219524869953078, 5.94380154961181892784584578794, 6.97442007368835697993226600605, 7.79143540364568825272798177878, 8.869361196359311803227763574721, 9.397648186906235955978591148357, 10.56575386096039794796368433371

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