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Properties

Label 2-630-15.8-c1-0-4
Degree $2$
Conductor $630$
Sign $0.920 + 0.391i$
Analytic cond. $5.03057$
Root an. cond. $2.24289$
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  + (−0.707 − 0.707i)2-s + 1.00i·4-s + (−2 − i)5-s + (−0.707 + 0.707i)7-s + (0.707 − 0.707i)8-s + (0.707 + 2.12i)10-s + 0.585i·11-s + (4 + 4i)13-s + 1.00·14-s − 1.00·16-s + (0.585 + 0.585i)17-s − 2.82i·19-s + (1.00 − 2.00i)20-s + (0.414 − 0.414i)22-s + (4.82 − 4.82i)23-s + ⋯
L(s)  = 1  + (−0.499 − 0.499i)2-s + 0.500i·4-s + (−0.894 − 0.447i)5-s + (−0.267 + 0.267i)7-s + (0.250 − 0.250i)8-s + (0.223 + 0.670i)10-s + 0.176i·11-s + (1.10 + 1.10i)13-s + 0.267·14-s − 0.250·16-s + (0.142 + 0.142i)17-s − 0.648i·19-s + (0.223 − 0.447i)20-s + (0.0883 − 0.0883i)22-s + (1.00 − 1.00i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 630 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.920 + 0.391i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 630 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.920 + 0.391i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(630\)    =    \(2 \cdot 3^{2} \cdot 5 \cdot 7\)
Sign: $0.920 + 0.391i$
Analytic conductor: \(5.03057\)
Root analytic conductor: \(2.24289\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{630} (323, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 630,\ (\ :1/2),\ 0.920 + 0.391i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.948715 - 0.193174i\)
\(L(\frac12)\) \(\approx\) \(0.948715 - 0.193174i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.707 + 0.707i)T \)
3 \( 1 \)
5 \( 1 + (2 + i)T \)
7 \( 1 + (0.707 - 0.707i)T \)
good11 \( 1 - 0.585iT - 11T^{2} \)
13 \( 1 + (-4 - 4i)T + 13iT^{2} \)
17 \( 1 + (-0.585 - 0.585i)T + 17iT^{2} \)
19 \( 1 + 2.82iT - 19T^{2} \)
23 \( 1 + (-4.82 + 4.82i)T - 23iT^{2} \)
29 \( 1 - 0.828T + 29T^{2} \)
31 \( 1 - 1.75T + 31T^{2} \)
37 \( 1 + (-6.24 + 6.24i)T - 37iT^{2} \)
41 \( 1 + 3.17iT - 41T^{2} \)
43 \( 1 + (-6.07 - 6.07i)T + 43iT^{2} \)
47 \( 1 + (-9.24 - 9.24i)T + 47iT^{2} \)
53 \( 1 + (2.58 - 2.58i)T - 53iT^{2} \)
59 \( 1 - 2.82T + 59T^{2} \)
61 \( 1 + 9.89T + 61T^{2} \)
67 \( 1 + (-8.41 + 8.41i)T - 67iT^{2} \)
71 \( 1 - 1.17iT - 71T^{2} \)
73 \( 1 + (-7.07 - 7.07i)T + 73iT^{2} \)
79 \( 1 + 5.65iT - 79T^{2} \)
83 \( 1 + (0.828 - 0.828i)T - 83iT^{2} \)
89 \( 1 - 3.17T + 89T^{2} \)
97 \( 1 + (4.58 - 4.58i)T - 97iT^{2} \)
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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

−10.91702289860776923312936267692, −9.370534574105661685746341501087, −8.989207279317772114346231041723, −8.109605047898240396814859249827, −7.15779085028621566952605844419, −6.18437178795575471796420523610, −4.66932376655048733606023765884, −3.89651375802012117561995202396, −2.63786456719835176599499616725, −0.993754232869376936238642401316, 0.906476570888264820172288205241, 3.03129177528224897245582911580, 3.95854093554322050856320098167, 5.36830266801142476087593288412, 6.31032236255564282041450638292, 7.25988681917535673205037516240, 7.987927346743529696102270542461, 8.683990708971765917490205500909, 9.810806631948365861928345303126, 10.65301883132749207915944434617

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