Properties

Label 2-1520-380.379-c1-0-33
Degree $2$
Conductor $1520$
Sign $0.974 - 0.223i$
Analytic cond. $12.1372$
Root an. cond. $3.48385$
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  + (2.13 + 0.656i)5-s + 2.27·7-s + 3·9-s + 2.15i·11-s − 8.24i·17-s + 4.35i·19-s + 4·23-s + (4.13 + 2.80i)25-s + (4.86 + 1.49i)35-s − 10.8·43-s + (6.41 + 1.97i)45-s − 10.2·47-s − 1.82·49-s + (−1.41 + 4.59i)55-s + 3.72·61-s + ⋯
L(s)  = 1  + (0.955 + 0.293i)5-s + 0.859·7-s + 9-s + 0.648i·11-s − 1.99i·17-s + 0.999i·19-s + 0.834·23-s + (0.827 + 0.561i)25-s + (0.821 + 0.252i)35-s − 1.65·43-s + (0.955 + 0.293i)45-s − 1.49·47-s − 0.260·49-s + (−0.190 + 0.619i)55-s + 0.476·61-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1520 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.974 - 0.223i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1520 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.974 - 0.223i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1520\)    =    \(2^{4} \cdot 5 \cdot 19\)
Sign: $0.974 - 0.223i$
Analytic conductor: \(12.1372\)
Root analytic conductor: \(3.48385\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1520} (1519, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1520,\ (\ :1/2),\ 0.974 - 0.223i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.466692999\)
\(L(\frac12)\) \(\approx\) \(2.466692999\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 + (-2.13 - 0.656i)T \)
19 \( 1 - 4.35iT \)
good3 \( 1 - 3T^{2} \)
7 \( 1 - 2.27T + 7T^{2} \)
11 \( 1 - 2.15iT - 11T^{2} \)
13 \( 1 + 13T^{2} \)
17 \( 1 + 8.24iT - 17T^{2} \)
23 \( 1 - 4T + 23T^{2} \)
29 \( 1 - 29T^{2} \)
31 \( 1 + 31T^{2} \)
37 \( 1 + 37T^{2} \)
41 \( 1 - 41T^{2} \)
43 \( 1 + 10.8T + 43T^{2} \)
47 \( 1 + 10.2T + 47T^{2} \)
53 \( 1 + 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 - 3.72T + 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 + 2.98iT - 73T^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 - 16T + 83T^{2} \)
89 \( 1 - 89T^{2} \)
97 \( 1 + 97T^{2} \)
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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

−9.767765955925962179640975394246, −8.815510856741539104385295943950, −7.73178287015560655242835827751, −7.09999100771115145389848631737, −6.36796656931150085371164308062, −5.01967165038520020020600042291, −4.86976979669395095926094719071, −3.39310593923467888935110964938, −2.19458815306264168957882313035, −1.32846950626729400691445266186, 1.24498120177484434051810935034, 2.00952701995217277751861758974, 3.42722780515022407641659120709, 4.57965804675782730634782857793, 5.20088839975652228743514485666, 6.23142674310024969192902607324, 6.86484106580748464882766542627, 8.050967702443631602490645916224, 8.585983041219050278760316857460, 9.438324082223123407704906581942

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