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Properties

Label 2-1890-315.104-c1-0-34
Degree $2$
Conductor $1890$
Sign $0.985 + 0.170i$
Analytic cond. $15.0917$
Root an. cond. $3.88480$
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  + (0.5 + 0.866i)2-s + (−0.499 + 0.866i)4-s + (−1.55 − 1.60i)5-s + (2.64 + 0.0312i)7-s − 0.999·8-s + (0.609 − 2.15i)10-s + (2.30 − 1.33i)11-s + (−1.15 + 2.00i)13-s + (1.29 + 2.30i)14-s + (−0.5 − 0.866i)16-s − 7.23i·17-s + 5.58i·19-s + (2.16 − 0.548i)20-s + (2.30 + 1.33i)22-s + (0.354 − 0.613i)23-s + ⋯
L(s)  = 1  + (0.353 + 0.612i)2-s + (−0.249 + 0.433i)4-s + (−0.697 − 0.716i)5-s + (0.999 + 0.0118i)7-s − 0.353·8-s + (0.192 − 0.680i)10-s + (0.695 − 0.401i)11-s + (−0.321 + 0.557i)13-s + (0.346 + 0.616i)14-s + (−0.125 − 0.216i)16-s − 1.75i·17-s + 1.28i·19-s + (0.484 − 0.122i)20-s + (0.491 + 0.283i)22-s + (0.0738 − 0.127i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1890 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.985 + 0.170i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1890 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.985 + 0.170i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1890\)    =    \(2 \cdot 3^{3} \cdot 5 \cdot 7\)
Sign: $0.985 + 0.170i$
Analytic conductor: \(15.0917\)
Root analytic conductor: \(3.88480\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1890} (1259, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1890,\ (\ :1/2),\ 0.985 + 0.170i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.932285924\)
\(L(\frac12)\) \(\approx\) \(1.932285924\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.5 - 0.866i)T \)
3 \( 1 \)
5 \( 1 + (1.55 + 1.60i)T \)
7 \( 1 + (-2.64 - 0.0312i)T \)
good11 \( 1 + (-2.30 + 1.33i)T + (5.5 - 9.52i)T^{2} \)
13 \( 1 + (1.15 - 2.00i)T + (-6.5 - 11.2i)T^{2} \)
17 \( 1 + 7.23iT - 17T^{2} \)
19 \( 1 - 5.58iT - 19T^{2} \)
23 \( 1 + (-0.354 + 0.613i)T + (-11.5 - 19.9i)T^{2} \)
29 \( 1 + (-2.68 + 1.55i)T + (14.5 - 25.1i)T^{2} \)
31 \( 1 + (5.32 + 3.07i)T + (15.5 + 26.8i)T^{2} \)
37 \( 1 + 8.09iT - 37T^{2} \)
41 \( 1 + (-3.67 + 6.37i)T + (-20.5 - 35.5i)T^{2} \)
43 \( 1 + (-11.3 + 6.54i)T + (21.5 - 37.2i)T^{2} \)
47 \( 1 + (4.91 - 2.83i)T + (23.5 - 40.7i)T^{2} \)
53 \( 1 - 3.40T + 53T^{2} \)
59 \( 1 + (-1.98 + 3.43i)T + (-29.5 - 51.0i)T^{2} \)
61 \( 1 + (-8.66 + 5.00i)T + (30.5 - 52.8i)T^{2} \)
67 \( 1 + (4.96 + 2.86i)T + (33.5 + 58.0i)T^{2} \)
71 \( 1 - 9.75iT - 71T^{2} \)
73 \( 1 - 4.33T + 73T^{2} \)
79 \( 1 + (-7.29 - 12.6i)T + (-39.5 + 68.4i)T^{2} \)
83 \( 1 + (2.25 - 1.30i)T + (41.5 - 71.8i)T^{2} \)
89 \( 1 - 5.66T + 89T^{2} \)
97 \( 1 + (6.43 + 11.1i)T + (-48.5 + 84.0i)T^{2} \)
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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

−9.017833972380184240345519074150, −8.340466900341626189658156065764, −7.51990152066932253386965273820, −7.09090710484236953968285786075, −5.78257165375117334313309493056, −5.18911913378693952753182231944, −4.28273155538081348599089631024, −3.74606751846041417832886273675, −2.20667424899166997396659568632, −0.73793991320152417517678187753, 1.19812454256052200640179816748, 2.36504483615527566901650509418, 3.36967427824293020440266679181, 4.26489142915153837737192016021, 4.88533352781806687994682614983, 6.03348932069777465879896556754, 6.86601349148762828310320722702, 7.73237734042369177893163274084, 8.432819686857210847214278406548, 9.271062368988841100607563983609

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