Properties

Label 2-1520-5.4-c1-0-5
Degree $2$
Conductor $1520$
Sign $0.447 - 0.894i$
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  − 2i·3-s + (−1 + 2i)5-s − 2i·7-s − 9-s − 4·11-s + (4 + 2i)15-s + 8i·17-s − 19-s − 4·21-s + 6i·23-s + (−3 − 4i)25-s − 4i·27-s − 2·29-s + 8·31-s + 8i·33-s + ⋯
L(s)  = 1  − 1.15i·3-s + (−0.447 + 0.894i)5-s − 0.755i·7-s − 0.333·9-s − 1.20·11-s + (1.03 + 0.516i)15-s + 1.94i·17-s − 0.229·19-s − 0.872·21-s + 1.25i·23-s + (−0.600 − 0.800i)25-s − 0.769i·27-s − 0.371·29-s + 1.43·31-s + 1.39i·33-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1520 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.447 - 0.894i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1520 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.447 - 0.894i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1520\)    =    \(2^{4} \cdot 5 \cdot 19\)
Sign: $0.447 - 0.894i$
Analytic conductor: \(12.1372\)
Root analytic conductor: \(3.48385\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1520} (609, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1520,\ (\ :1/2),\ 0.447 - 0.894i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.8770857671\)
\(L(\frac12)\) \(\approx\) \(0.8770857671\)
\(L(\frac{3}{2})\) 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 \( 1 + (1 - 2i)T \)
19 \( 1 + T \)
good3 \( 1 + 2iT - 3T^{2} \)
7 \( 1 + 2iT - 7T^{2} \)
11 \( 1 + 4T + 11T^{2} \)
13 \( 1 - 13T^{2} \)
17 \( 1 - 8iT - 17T^{2} \)
23 \( 1 - 6iT - 23T^{2} \)
29 \( 1 + 2T + 29T^{2} \)
31 \( 1 - 8T + 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 + 6T + 41T^{2} \)
43 \( 1 - 10iT - 43T^{2} \)
47 \( 1 - 6iT - 47T^{2} \)
53 \( 1 - 53T^{2} \)
59 \( 1 + 4T + 59T^{2} \)
61 \( 1 - 6T + 61T^{2} \)
67 \( 1 + 2iT - 67T^{2} \)
71 \( 1 + 16T + 71T^{2} \)
73 \( 1 - 16iT - 73T^{2} \)
79 \( 1 - 8T + 79T^{2} \)
83 \( 1 - 10iT - 83T^{2} \)
89 \( 1 - 10T + 89T^{2} \)
97 \( 1 - 4iT - 97T^{2} \)
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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

−9.880782130745058808654517468042, −8.313884147095107406321305557223, −7.891301947340583955684355685581, −7.29263476837926517814888242162, −6.50275635170095270811662087602, −5.84351947352599318538626794631, −4.44448359996504954205454824091, −3.50437497519300771871528427078, −2.44349689500075743121062098094, −1.31385920126656720218383332207, 0.35771347266546139396829529225, 2.35559704477697595954339574485, 3.33865801319378317892570592342, 4.57385193052375166052643085086, 4.93260382947236744360248063708, 5.65265511249086114796470726652, 7.00092467746203929968661592773, 7.930612704967571769842427199455, 8.778707145911594731614301289917, 9.200774305934452121600986859692

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