Properties

Label 2-390-13.12-c1-0-0
Degree $2$
Conductor $390$
Sign $-1$
Analytic cond. $3.11416$
Root an. cond. $1.76469$
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  + i·2-s − 3-s − 4-s + i·5-s i·6-s + 2.60i·7-s i·8-s + 9-s − 10-s + 12-s − 3.60·13-s − 2.60·14-s i·15-s + 16-s − 2.60·17-s + i·18-s + ⋯
L(s)  = 1  + 0.707i·2-s − 0.577·3-s − 0.5·4-s + 0.447i·5-s − 0.408i·6-s + 0.984i·7-s − 0.353i·8-s + 0.333·9-s − 0.316·10-s + 0.288·12-s − 1.00·13-s − 0.696·14-s − 0.258i·15-s + 0.250·16-s − 0.631·17-s + 0.235i·18-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 390 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 390 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(390\)    =    \(2 \cdot 3 \cdot 5 \cdot 13\)
Sign: $-1$
Analytic conductor: \(3.11416\)
Root analytic conductor: \(1.76469\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{390} (181, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 390,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(\approx\) \(-0.621359i\)
\(L(\frac12)\) \(\approx\) \(-0.621359i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - iT \)
3 \( 1 + T \)
5 \( 1 - iT \)
13 \( 1 + 3.60T \)
good7 \( 1 - 2.60iT - 7T^{2} \)
11 \( 1 - 11T^{2} \)
17 \( 1 + 2.60T + 17T^{2} \)
19 \( 1 - 2.60iT - 19T^{2} \)
23 \( 1 + 8.60T + 23T^{2} \)
29 \( 1 + 2.60T + 29T^{2} \)
31 \( 1 - 6iT - 31T^{2} \)
37 \( 1 - 5.21iT - 37T^{2} \)
41 \( 1 + 11.2iT - 41T^{2} \)
43 \( 1 - 8T + 43T^{2} \)
47 \( 1 - 5.21iT - 47T^{2} \)
53 \( 1 - 6T + 53T^{2} \)
59 \( 1 - 5.21iT - 59T^{2} \)
61 \( 1 - 3.21T + 61T^{2} \)
67 \( 1 - 11.2iT - 67T^{2} \)
71 \( 1 + 5.21iT - 71T^{2} \)
73 \( 1 + 8.60iT - 73T^{2} \)
79 \( 1 - 14.4T + 79T^{2} \)
83 \( 1 - 17.2iT - 83T^{2} \)
89 \( 1 - 0.788iT - 89T^{2} \)
97 \( 1 - 8.60iT - 97T^{2} \)
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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

−12.08933501134620502520807611218, −10.77228316551657251216793525247, −9.910268444603219405353479661436, −8.979227948683916513209908153133, −7.921734429351138403206818904362, −6.96958288781816199857496169008, −6.01134239533421212758117675398, −5.28244379914479056395443846226, −4.02711500343632160153733806308, −2.30692486753724618079884139079, 0.42435673838783386560341274055, 2.16506396219071637825830815672, 3.96000082420657021028174005107, 4.67881252431924868672926182178, 5.88514292279929572146331415696, 7.15770020134942168082494972496, 8.061410447807527070752279740101, 9.391896866180969034208771147143, 10.02697477206069048842556033555, 10.94247011434234298188878366095

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