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Properties

Label 2-637-91.16-c1-0-10
Degree $2$
Conductor $637$
Sign $-0.268 - 0.963i$
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  + 1.55·2-s + (−0.244 + 0.423i)3-s + 0.417·4-s + (−0.595 + 1.03i)5-s + (−0.380 + 0.658i)6-s − 2.46·8-s + (1.38 + 2.39i)9-s + (−0.926 + 1.60i)10-s + (−1.05 + 1.83i)11-s + (−0.102 + 0.176i)12-s + (−2.86 + 2.19i)13-s + (−0.291 − 0.504i)15-s − 4.66·16-s + 0.906·17-s + (2.14 + 3.71i)18-s + (3.34 + 5.79i)19-s + ⋯
L(s)  = 1  + 1.09·2-s + (−0.141 + 0.244i)3-s + 0.208·4-s + (−0.266 + 0.461i)5-s + (−0.155 + 0.268i)6-s − 0.870·8-s + (0.460 + 0.796i)9-s + (−0.292 + 0.507i)10-s + (−0.319 + 0.552i)11-s + (−0.0294 + 0.0510i)12-s + (−0.793 + 0.608i)13-s + (−0.0752 − 0.130i)15-s − 1.16·16-s + 0.219·17-s + (0.505 + 0.876i)18-s + (0.767 + 1.32i)19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.268 - 0.963i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.268 - 0.963i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(637\)    =    \(7^{2} \cdot 13\)
Sign: $-0.268 - 0.963i$
Analytic conductor: \(5.08647\)
Root analytic conductor: \(2.25532\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{637} (471, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 637,\ (\ :1/2),\ -0.268 - 0.963i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.05059 + 1.38367i\)
\(L(\frac12)\) \(\approx\) \(1.05059 + 1.38367i\)
\(L(\frac{3}{2})\) 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 \( 1 + (2.86 - 2.19i)T \)
good2 \( 1 - 1.55T + 2T^{2} \)
3 \( 1 + (0.244 - 0.423i)T + (-1.5 - 2.59i)T^{2} \)
5 \( 1 + (0.595 - 1.03i)T + (-2.5 - 4.33i)T^{2} \)
11 \( 1 + (1.05 - 1.83i)T + (-5.5 - 9.52i)T^{2} \)
17 \( 1 - 0.906T + 17T^{2} \)
19 \( 1 + (-3.34 - 5.79i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 - 3.59T + 23T^{2} \)
29 \( 1 + (4.25 + 7.37i)T + (-14.5 + 25.1i)T^{2} \)
31 \( 1 + (2.64 + 4.57i)T + (-15.5 + 26.8i)T^{2} \)
37 \( 1 - 4.99T + 37T^{2} \)
41 \( 1 + (-0.768 - 1.33i)T + (-20.5 + 35.5i)T^{2} \)
43 \( 1 + (2.71 - 4.70i)T + (-21.5 - 37.2i)T^{2} \)
47 \( 1 + (1.59 - 2.75i)T + (-23.5 - 40.7i)T^{2} \)
53 \( 1 + (-1.41 - 2.44i)T + (-26.5 + 45.8i)T^{2} \)
59 \( 1 - 10.2T + 59T^{2} \)
61 \( 1 + (4.13 + 7.16i)T + (-30.5 + 52.8i)T^{2} \)
67 \( 1 + (-1.87 + 3.24i)T + (-33.5 - 58.0i)T^{2} \)
71 \( 1 + (-1.26 + 2.19i)T + (-35.5 - 61.4i)T^{2} \)
73 \( 1 + (2.86 + 4.96i)T + (-36.5 + 63.2i)T^{2} \)
79 \( 1 + (3.03 - 5.25i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 - 11.6T + 83T^{2} \)
89 \( 1 - 17.7T + 89T^{2} \)
97 \( 1 + (-3.10 + 5.37i)T + (-48.5 - 84.0i)T^{2} \)
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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

−11.08922256377407350331294049988, −9.907021761462274089912152266783, −9.431419963703301765679049554934, −7.88465878733558393149803126249, −7.28220558239053534132761585925, −6.06752245710807649410161224535, −5.14063902093025445240801740250, −4.41442896698131473722950264766, −3.45383237494748981207863400597, −2.19552020756986417624906489263, 0.67884128888582850562125857081, 2.83753304758176781872754146496, 3.72153108531731210608303627082, 4.94774256411562402689407929659, 5.39645820829989256143748470615, 6.64391923467102880203191589847, 7.40500887817173082708220923635, 8.730845689736413346798672044120, 9.299045005104852698129239204665, 10.46486232191646506085354736734

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