Properties

Label 2-1520-5.4-c1-0-47
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  + 1.41i·3-s + (1 − 2i)5-s − 4.82i·7-s + 0.999·9-s − 4.82·11-s − 0.585i·13-s + (2.82 + 1.41i)15-s + 2.82i·17-s − 19-s + 6.82·21-s − 7.65i·23-s + (−3 − 4i)25-s + 5.65i·27-s − 3.65·29-s − 6.82·31-s + ⋯
L(s)  = 1  + 0.816i·3-s + (0.447 − 0.894i)5-s − 1.82i·7-s + 0.333·9-s − 1.45·11-s − 0.162i·13-s + (0.730 + 0.365i)15-s + 0.685i·17-s − 0.229·19-s + 1.49·21-s − 1.59i·23-s + (−0.600 − 0.800i)25-s + 1.08i·27-s − 0.679·29-s − 1.22·31-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

\(L(1)\) \(\approx\) \(1.141039838\)
\(L(\frac12)\) \(\approx\) \(1.141039838\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.41iT - 3T^{2} \)
7 \( 1 + 4.82iT - 7T^{2} \)
11 \( 1 + 4.82T + 11T^{2} \)
13 \( 1 + 0.585iT - 13T^{2} \)
17 \( 1 - 2.82iT - 17T^{2} \)
23 \( 1 + 7.65iT - 23T^{2} \)
29 \( 1 + 3.65T + 29T^{2} \)
31 \( 1 + 6.82T + 31T^{2} \)
37 \( 1 + 0.585iT - 37T^{2} \)
41 \( 1 - 0.828T + 41T^{2} \)
43 \( 1 - 8.82iT - 43T^{2} \)
47 \( 1 - 0.828iT - 47T^{2} \)
53 \( 1 + 11.8iT - 53T^{2} \)
59 \( 1 + 6.82T + 59T^{2} \)
61 \( 1 + 5.65T + 61T^{2} \)
67 \( 1 - 9.89iT - 67T^{2} \)
71 \( 1 - 8.48T + 71T^{2} \)
73 \( 1 + 1.17iT - 73T^{2} \)
79 \( 1 - 8.48T + 79T^{2} \)
83 \( 1 + 15.6iT - 83T^{2} \)
89 \( 1 - 13.3T + 89T^{2} \)
97 \( 1 + 1.07iT - 97T^{2} \)
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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

−9.444842481773678421097485439773, −8.362189471259408177308344207814, −7.73581343124104883344593550113, −6.85584221348571251407790065550, −5.73559224303375853036450137298, −4.73297436810243206945379095644, −4.36236879414374898923380391109, −3.37469346335069180942106210771, −1.80805498302339497783668564638, −0.41770907532909417106655681277, 1.91137064637772366362919879439, 2.41739590564268304983929621571, 3.40030395237820032372923260713, 5.15389598807321655221649566183, 5.65481873053129725091626738544, 6.45414925598968588460083968723, 7.45563097884097312585651504506, 7.82484419048899405567620960496, 9.083396488697742850879467252025, 9.532884996198849169482186848452

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