Properties

Label 2-637-49.4-c1-0-36
Degree $2$
Conductor $637$
Sign $0.607 + 0.794i$
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  + (1.46 + 1.00i)2-s + (−0.670 − 0.622i)3-s + (0.421 + 1.07i)4-s + (−3.65 + 1.12i)5-s + (−0.361 − 1.58i)6-s + (2.44 − 1.02i)7-s + (0.333 − 1.46i)8-s + (−0.161 − 2.15i)9-s + (−6.49 − 2.00i)10-s + (0.0318 − 0.425i)11-s + (0.386 − 0.983i)12-s + (−0.900 + 0.433i)13-s + (4.60 + 0.944i)14-s + (3.15 + 1.51i)15-s + (3.64 − 3.38i)16-s + (3.25 − 0.490i)17-s + ⋯
L(s)  = 1  + (1.03 + 0.707i)2-s + (−0.387 − 0.359i)3-s + (0.210 + 0.537i)4-s + (−1.63 + 0.504i)5-s + (−0.147 − 0.646i)6-s + (0.922 − 0.385i)7-s + (0.118 − 0.517i)8-s + (−0.0538 − 0.719i)9-s + (−2.05 − 0.634i)10-s + (0.00961 − 0.128i)11-s + (0.111 − 0.283i)12-s + (−0.249 + 0.120i)13-s + (1.23 + 0.252i)14-s + (0.814 + 0.392i)15-s + (0.911 − 0.846i)16-s + (0.789 − 0.119i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.607 + 0.794i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 637 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.607 + 0.794i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(637\)    =    \(7^{2} \cdot 13\)
Sign: $0.607 + 0.794i$
Analytic conductor: \(5.08647\)
Root analytic conductor: \(2.25532\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{637} (53, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 637,\ (\ :1/2),\ 0.607 + 0.794i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.38799 - 0.685716i\)
\(L(\frac12)\) \(\approx\) \(1.38799 - 0.685716i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + (-2.44 + 1.02i)T \)
13 \( 1 + (0.900 - 0.433i)T \)
good2 \( 1 + (-1.46 - 1.00i)T + (0.730 + 1.86i)T^{2} \)
3 \( 1 + (0.670 + 0.622i)T + (0.224 + 2.99i)T^{2} \)
5 \( 1 + (3.65 - 1.12i)T + (4.13 - 2.81i)T^{2} \)
11 \( 1 + (-0.0318 + 0.425i)T + (-10.8 - 1.63i)T^{2} \)
17 \( 1 + (-3.25 + 0.490i)T + (16.2 - 5.01i)T^{2} \)
19 \( 1 + (3.69 + 6.40i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (-2.14 - 0.323i)T + (21.9 + 6.77i)T^{2} \)
29 \( 1 + (5.11 + 6.41i)T + (-6.45 + 28.2i)T^{2} \)
31 \( 1 + (-5.20 + 9.01i)T + (-15.5 - 26.8i)T^{2} \)
37 \( 1 + (2.40 - 6.13i)T + (-27.1 - 25.1i)T^{2} \)
41 \( 1 + (2.34 - 10.2i)T + (-36.9 - 17.7i)T^{2} \)
43 \( 1 + (-0.221 - 0.968i)T + (-38.7 + 18.6i)T^{2} \)
47 \( 1 + (0.101 + 0.0694i)T + (17.1 + 43.7i)T^{2} \)
53 \( 1 + (-2.41 - 6.14i)T + (-38.8 + 36.0i)T^{2} \)
59 \( 1 + (7.16 + 2.21i)T + (48.7 + 33.2i)T^{2} \)
61 \( 1 + (3.28 - 8.37i)T + (-44.7 - 41.4i)T^{2} \)
67 \( 1 + (-5.47 + 9.47i)T + (-33.5 - 58.0i)T^{2} \)
71 \( 1 + (-0.132 + 0.166i)T + (-15.7 - 69.2i)T^{2} \)
73 \( 1 + (3.73 - 2.54i)T + (26.6 - 67.9i)T^{2} \)
79 \( 1 + (0.506 + 0.877i)T + (-39.5 + 68.4i)T^{2} \)
83 \( 1 + (-9.97 - 4.80i)T + (51.7 + 64.8i)T^{2} \)
89 \( 1 + (0.587 + 7.84i)T + (-88.0 + 13.2i)T^{2} \)
97 \( 1 + 11.9T + 97T^{2} \)
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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

−10.87342230673373117548880296597, −9.592713993335507233548111032591, −8.196388268775919743386503133681, −7.52002476662058402372184271681, −6.86429922917854262278392082251, −6.02513565536363343236607352737, −4.71266293253569086901572039521, −4.19855075203138699985334670864, −3.12462810891123125261802264860, −0.66524491694160411959411354906, 1.80004244392790057729086454526, 3.39111190064194628216343425562, 4.17244105421256733518309202411, 4.99807080166049429967184439147, 5.49852540413159142539750537707, 7.37588916436666273379204805453, 8.148096602419794726196532773006, 8.684100506460417629838800713468, 10.49800891023659578543419279533, 10.87996432441590399649555985764

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