Properties

Label 2-1520-5.4-c1-0-43
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 + 0.828i·7-s + 0.999·9-s + 0.828·11-s − 3.41i·13-s + (−2.82 − 1.41i)15-s − 2.82i·17-s − 19-s + 1.17·21-s + 3.65i·23-s + (−3 − 4i)25-s − 5.65i·27-s + 7.65·29-s − 1.17·31-s + ⋯
L(s)  = 1  − 0.816i·3-s + (0.447 − 0.894i)5-s + 0.313i·7-s + 0.333·9-s + 0.249·11-s − 0.946i·13-s + (−0.730 − 0.365i)15-s − 0.685i·17-s − 0.229·19-s + 0.255·21-s + 0.762i·23-s + (−0.600 − 0.800i)25-s − 1.08i·27-s + 1.42·29-s − 0.210·31-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

\(L(1)\) \(\approx\) \(1.835647626\)
\(L(\frac12)\) \(\approx\) \(1.835647626\)
\(L(\frac{3}{2})\) 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 \( 1 - 0.828iT - 7T^{2} \)
11 \( 1 - 0.828T + 11T^{2} \)
13 \( 1 + 3.41iT - 13T^{2} \)
17 \( 1 + 2.82iT - 17T^{2} \)
23 \( 1 - 3.65iT - 23T^{2} \)
29 \( 1 - 7.65T + 29T^{2} \)
31 \( 1 + 1.17T + 31T^{2} \)
37 \( 1 + 3.41iT - 37T^{2} \)
41 \( 1 + 4.82T + 41T^{2} \)
43 \( 1 - 3.17iT - 43T^{2} \)
47 \( 1 + 4.82iT - 47T^{2} \)
53 \( 1 - 7.89iT - 53T^{2} \)
59 \( 1 + 1.17T + 59T^{2} \)
61 \( 1 - 5.65T + 61T^{2} \)
67 \( 1 + 9.89iT - 67T^{2} \)
71 \( 1 + 8.48T + 71T^{2} \)
73 \( 1 + 6.82iT - 73T^{2} \)
79 \( 1 + 8.48T + 79T^{2} \)
83 \( 1 + 4.34iT - 83T^{2} \)
89 \( 1 + 9.31T + 89T^{2} \)
97 \( 1 - 13.0iT - 97T^{2} \)
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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

−9.144962816588938726923906498243, −8.361041696842484962960107724693, −7.65564740887684498613857379824, −6.80283812598874048057728621699, −5.92079966071911886480834971681, −5.17736046346723719750795422791, −4.24250849278742007502858327741, −2.87267544708542629005470305947, −1.76237579290334881151119298813, −0.75871766723534815344560609660, 1.60595494601426299640296757023, 2.82162875562762919341436214958, 3.91654338685982175245295465805, 4.48621100213572687884157417519, 5.62415784219016554791719470489, 6.68576595366875872954711753345, 6.98695936301981650030772179229, 8.279295101665816973640448219734, 9.058334299852890514740566738112, 10.01842312182777346271364631605

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