Properties

Label 2-1440-20.3-c1-0-4
Degree $2$
Conductor $1440$
Sign $0.0898 - 0.995i$
Analytic cond. $11.4984$
Root an. cond. $3.39093$
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 − 2i)5-s + (1 + i)7-s + 6i·11-s + (−1 − i)13-s + (−1 + i)17-s − 4·19-s + (5 − 5i)23-s + (−3 + 4i)25-s + 8i·29-s + 2i·31-s + (1 − 3i)35-s + (−5 + 5i)37-s − 6·41-s + (−3 + 3i)43-s + (7 + 7i)47-s + ⋯
L(s)  = 1  + (−0.447 − 0.894i)5-s + (0.377 + 0.377i)7-s + 1.80i·11-s + (−0.277 − 0.277i)13-s + (−0.242 + 0.242i)17-s − 0.917·19-s + (1.04 − 1.04i)23-s + (−0.600 + 0.800i)25-s + 1.48i·29-s + 0.359i·31-s + (0.169 − 0.507i)35-s + (−0.821 + 0.821i)37-s − 0.937·41-s + (−0.457 + 0.457i)43-s + (1.02 + 1.02i)47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.0898 - 0.995i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.0898 - 0.995i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1440\)    =    \(2^{5} \cdot 3^{2} \cdot 5\)
Sign: $0.0898 - 0.995i$
Analytic conductor: \(11.4984\)
Root analytic conductor: \(3.39093\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1440} (703, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1440,\ (\ :1/2),\ 0.0898 - 0.995i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.097347260\)
\(L(\frac12)\) \(\approx\) \(1.097347260\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 + (1 + 2i)T \)
good7 \( 1 + (-1 - i)T + 7iT^{2} \)
11 \( 1 - 6iT - 11T^{2} \)
13 \( 1 + (1 + i)T + 13iT^{2} \)
17 \( 1 + (1 - i)T - 17iT^{2} \)
19 \( 1 + 4T + 19T^{2} \)
23 \( 1 + (-5 + 5i)T - 23iT^{2} \)
29 \( 1 - 8iT - 29T^{2} \)
31 \( 1 - 2iT - 31T^{2} \)
37 \( 1 + (5 - 5i)T - 37iT^{2} \)
41 \( 1 + 6T + 41T^{2} \)
43 \( 1 + (3 - 3i)T - 43iT^{2} \)
47 \( 1 + (-7 - 7i)T + 47iT^{2} \)
53 \( 1 + (-1 - i)T + 53iT^{2} \)
59 \( 1 - 4T + 59T^{2} \)
61 \( 1 - 2T + 61T^{2} \)
67 \( 1 + (-7 - 7i)T + 67iT^{2} \)
71 \( 1 - 6iT - 71T^{2} \)
73 \( 1 + (-9 - 9i)T + 73iT^{2} \)
79 \( 1 - 8T + 79T^{2} \)
83 \( 1 + (5 - 5i)T - 83iT^{2} \)
89 \( 1 - 89T^{2} \)
97 \( 1 + (3 - 3i)T - 97iT^{2} \)
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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

−9.675469999657216636874090023670, −8.712572433673920965502637146025, −8.364233178785128344398035808985, −7.23584030757861214270040522074, −6.68047208665476241283162642064, −5.16645523419492230492081799261, −4.86012359757556361137111673558, −3.92716459948879044681183296149, −2.47738690578755880020146647080, −1.40983686235467803294787518095, 0.45067139771728568620706867685, 2.20359469163342630742261339803, 3.33949032735537638685494461587, 3.99630645893780388266443603779, 5.22115381496844562546035815828, 6.16255170325804459690583812212, 6.91581532993709999893223995020, 7.74275847081371917928485496632, 8.451930663381957291601269424263, 9.265891608113872170054977934483

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