Properties

Label 2-639-213.56-c1-0-23
Degree $2$
Conductor $639$
Sign $-0.962 + 0.272i$
Analytic cond. $5.10244$
Root an. cond. $2.25885$
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  + (0.742 + 0.317i)2-s + (−0.932 − 0.974i)4-s + (−0.618 − 0.200i)5-s + (−0.732 − 0.837i)7-s + (−0.949 − 2.53i)8-s + (−0.394 − 0.345i)10-s + (−2.86 + 0.789i)11-s + (−0.525 + 1.90i)13-s + (−0.277 − 0.853i)14-s + (−0.0231 + 0.516i)16-s + (−5.70 + 4.14i)17-s + (−1.80 − 3.36i)19-s + (0.380 + 0.789i)20-s + (−2.37 − 0.321i)22-s + (−0.286 + 1.25i)23-s + ⋯
L(s)  = 1  + (0.524 + 0.224i)2-s + (−0.466 − 0.487i)4-s + (−0.276 − 0.0898i)5-s + (−0.276 − 0.316i)7-s + (−0.335 − 0.894i)8-s + (−0.124 − 0.109i)10-s + (−0.862 + 0.238i)11-s + (−0.145 + 0.528i)13-s + (−0.0741 − 0.228i)14-s + (−0.00579 + 0.129i)16-s + (−1.38 + 1.00i)17-s + (−0.414 − 0.771i)19-s + (0.0850 + 0.176i)20-s + (−0.506 − 0.0685i)22-s + (−0.0598 + 0.262i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 639 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.962 + 0.272i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 639 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.962 + 0.272i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(639\)    =    \(3^{2} \cdot 71\)
Sign: $-0.962 + 0.272i$
Analytic conductor: \(5.10244\)
Root analytic conductor: \(2.25885\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{639} (269, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 639,\ (\ :1/2),\ -0.962 + 0.272i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.0477129 - 0.343334i\)
\(L(\frac12)\) \(\approx\) \(0.0477129 - 0.343334i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
71 \( 1 + (7.37 - 4.07i)T \)
good2 \( 1 + (-0.742 - 0.317i)T + (1.38 + 1.44i)T^{2} \)
5 \( 1 + (0.618 + 0.200i)T + (4.04 + 2.93i)T^{2} \)
7 \( 1 + (0.732 + 0.837i)T + (-0.939 + 6.93i)T^{2} \)
11 \( 1 + (2.86 - 0.789i)T + (9.44 - 5.64i)T^{2} \)
13 \( 1 + (0.525 - 1.90i)T + (-11.1 - 6.66i)T^{2} \)
17 \( 1 + (5.70 - 4.14i)T + (5.25 - 16.1i)T^{2} \)
19 \( 1 + (1.80 + 3.36i)T + (-10.4 + 15.8i)T^{2} \)
23 \( 1 + (0.286 - 1.25i)T + (-20.7 - 9.97i)T^{2} \)
29 \( 1 + (-1.89 + 0.256i)T + (27.9 - 7.71i)T^{2} \)
31 \( 1 + (-0.233 + 0.0104i)T + (30.8 - 2.77i)T^{2} \)
37 \( 1 + (2.57 + 11.2i)T + (-33.3 + 16.0i)T^{2} \)
41 \( 1 + (3.04 + 3.81i)T + (-9.12 + 39.9i)T^{2} \)
43 \( 1 + (-2.14 - 0.193i)T + (42.3 + 7.67i)T^{2} \)
47 \( 1 + (-6.34 + 1.15i)T + (44.0 - 16.5i)T^{2} \)
53 \( 1 + (4.52 - 4.72i)T + (-2.37 - 52.9i)T^{2} \)
59 \( 1 + (-2.91 - 4.41i)T + (-23.1 + 54.2i)T^{2} \)
61 \( 1 + (-5.28 + 6.05i)T + (-8.18 - 60.4i)T^{2} \)
67 \( 1 + (8.38 - 8.01i)T + (3.00 - 66.9i)T^{2} \)
73 \( 1 + (-0.351 + 0.823i)T + (-50.4 - 52.7i)T^{2} \)
79 \( 1 + (-10.8 + 4.08i)T + (59.4 - 51.9i)T^{2} \)
83 \( 1 + (-4.13 + 2.73i)T + (32.6 - 76.3i)T^{2} \)
89 \( 1 + (2.51 + 2.40i)T + (3.99 + 88.9i)T^{2} \)
97 \( 1 + (-9.12 - 7.27i)T + (21.5 + 94.5i)T^{2} \)
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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

−10.31618063020823065704855115400, −9.251110346831629292206543776253, −8.566414180565786279381900421387, −7.32917061380387529722058678099, −6.50003580193634986324884238556, −5.56142798245406517964888734883, −4.49339488074025948100999270257, −3.88936481502967371015025051091, −2.19851205422989655780998998091, −0.14947802584548254536836057872, 2.46592160944871860865335164219, 3.31964309756013666546726893331, 4.49511152934861727732808217389, 5.28051006090652839508600790424, 6.38522340222834988514502296589, 7.62490295867102046793511292264, 8.322576847234203828413865464189, 9.155947111046340798872731739387, 10.16976624824625188151995022783, 11.14986585500487007372016936435

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