Properties

Label 2-637-91.51-c1-0-41
Degree $2$
Conductor $637$
Sign $0.678 - 0.734i$
Analytic cond. $5.08647$
Root an. cond. $2.25532$
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  + (−0.589 − 0.340i)2-s + (−1.16 − 2.02i)3-s + (−0.768 − 1.33i)4-s + (−2.81 − 1.62i)5-s + 1.58i·6-s + 2.40i·8-s + (−1.22 + 2.12i)9-s + (1.10 + 1.91i)10-s + (−4.61 + 2.66i)11-s + (−1.79 + 3.10i)12-s + (1.47 − 3.28i)13-s + 7.57i·15-s + (−0.719 + 1.24i)16-s + (−1.33 − 2.31i)17-s + (1.44 − 0.832i)18-s + (−0.603 − 0.348i)19-s + ⋯
L(s)  = 1  + (−0.416 − 0.240i)2-s + (−0.673 − 1.16i)3-s + (−0.384 − 0.665i)4-s + (−1.25 − 0.725i)5-s + 0.648i·6-s + 0.850i·8-s + (−0.408 + 0.706i)9-s + (0.349 + 0.604i)10-s + (−1.39 + 0.803i)11-s + (−0.517 + 0.897i)12-s + (0.409 − 0.912i)13-s + 1.95i·15-s + (−0.179 + 0.311i)16-s + (−0.323 − 0.560i)17-s + (0.339 − 0.196i)18-s + (−0.138 − 0.0798i)19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.678 - 0.734i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.678 - 0.734i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(637\)    =    \(7^{2} \cdot 13\)
Sign: $0.678 - 0.734i$
Analytic conductor: \(5.08647\)
Root analytic conductor: \(2.25532\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{637} (324, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 637,\ (\ :1/2),\ 0.678 - 0.734i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.0938157 + 0.0410222i\)
\(L(\frac12)\) \(\approx\) \(0.0938157 + 0.0410222i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
13 \( 1 + (-1.47 + 3.28i)T \)
good2 \( 1 + (0.589 + 0.340i)T + (1 + 1.73i)T^{2} \)
3 \( 1 + (1.16 + 2.02i)T + (-1.5 + 2.59i)T^{2} \)
5 \( 1 + (2.81 + 1.62i)T + (2.5 + 4.33i)T^{2} \)
11 \( 1 + (4.61 - 2.66i)T + (5.5 - 9.52i)T^{2} \)
17 \( 1 + (1.33 + 2.31i)T + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (0.603 + 0.348i)T + (9.5 + 16.4i)T^{2} \)
23 \( 1 + (-4.48 + 7.76i)T + (-11.5 - 19.9i)T^{2} \)
29 \( 1 + 5.28T + 29T^{2} \)
31 \( 1 + (-4.72 + 2.72i)T + (15.5 - 26.8i)T^{2} \)
37 \( 1 + (-5.79 - 3.34i)T + (18.5 + 32.0i)T^{2} \)
41 \( 1 - 2.21iT - 41T^{2} \)
43 \( 1 - 2.39T + 43T^{2} \)
47 \( 1 + (5.01 + 2.89i)T + (23.5 + 40.7i)T^{2} \)
53 \( 1 + (-2.35 - 4.08i)T + (-26.5 + 45.8i)T^{2} \)
59 \( 1 + (2.58 - 1.49i)T + (29.5 - 51.0i)T^{2} \)
61 \( 1 + (-1.09 + 1.90i)T + (-30.5 - 52.8i)T^{2} \)
67 \( 1 + (7.53 - 4.35i)T + (33.5 - 58.0i)T^{2} \)
71 \( 1 + 8.56iT - 71T^{2} \)
73 \( 1 + (5.09 - 2.94i)T + (36.5 - 63.2i)T^{2} \)
79 \( 1 + (0.455 - 0.788i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 - 11.7iT - 83T^{2} \)
89 \( 1 + (-0.853 - 0.493i)T + (44.5 + 77.0i)T^{2} \)
97 \( 1 + 15.3iT - 97T^{2} \)
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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

−9.953173326203220164351683312031, −8.750614796602965541895179027321, −8.003020499634112284053021597190, −7.40483253812809598311016621515, −6.22171289052092659327251577256, −5.16166056273743280371309193759, −4.49421381820884752417228059047, −2.53509182086147954847171235749, −0.947608601312855660420098765109, −0.093862207278660157925204578375, 3.17169800828354902972601088089, 3.86179980412153598870161894060, 4.71322025592862377263842498665, 5.88745776190394228045925605686, 7.17685393508589270951214697274, 7.84126013482637209730841472243, 8.715402591823003501060217973071, 9.611799199751937887725507338985, 10.61635053741937739175481073317, 11.19992951892579290949872933020

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