Properties

Label 2-1440-40.29-c1-0-21
Degree $2$
Conductor $1440$
Sign $0.530 + 0.847i$
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  + (2.11 − 0.726i)5-s − 4.05i·7-s + 0.985i·11-s + 4.94·13-s + 4.52i·17-s − 2.60i·19-s + 3.53i·23-s + (3.94 − 3.07i)25-s − 7.59i·29-s + 3.28·31-s + (−2.94 − 8.58i)35-s − 0.945·37-s − 0.568·41-s − 8.45·43-s − 2.60i·47-s + ⋯
L(s)  = 1  + (0.945 − 0.324i)5-s − 1.53i·7-s + 0.297i·11-s + 1.37·13-s + 1.09i·17-s − 0.597i·19-s + 0.737i·23-s + (0.789 − 0.614i)25-s − 1.41i·29-s + 0.589·31-s + (−0.497 − 1.45i)35-s − 0.155·37-s − 0.0887·41-s − 1.29·43-s − 0.379i·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.530 + 0.847i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.530 + 0.847i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1440\)    =    \(2^{5} \cdot 3^{2} \cdot 5\)
Sign: $0.530 + 0.847i$
Analytic conductor: \(11.4984\)
Root analytic conductor: \(3.39093\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1440} (1009, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1440,\ (\ :1/2),\ 0.530 + 0.847i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.103395712\)
\(L(\frac12)\) \(\approx\) \(2.103395712\)
\(L(\frac{3}{2})\) 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 \( 1 + (-2.11 + 0.726i)T \)
good7 \( 1 + 4.05iT - 7T^{2} \)
11 \( 1 - 0.985iT - 11T^{2} \)
13 \( 1 - 4.94T + 13T^{2} \)
17 \( 1 - 4.52iT - 17T^{2} \)
19 \( 1 + 2.60iT - 19T^{2} \)
23 \( 1 - 3.53iT - 23T^{2} \)
29 \( 1 + 7.59iT - 29T^{2} \)
31 \( 1 - 3.28T + 31T^{2} \)
37 \( 1 + 0.945T + 37T^{2} \)
41 \( 1 + 0.568T + 41T^{2} \)
43 \( 1 + 8.45T + 43T^{2} \)
47 \( 1 + 2.60iT - 47T^{2} \)
53 \( 1 + 0.229T + 53T^{2} \)
59 \( 1 + 9.10iT - 59T^{2} \)
61 \( 1 + 11.0iT - 61T^{2} \)
67 \( 1 - 8.45T + 67T^{2} \)
71 \( 1 - 1.43T + 71T^{2} \)
73 \( 1 - 11.9iT - 73T^{2} \)
79 \( 1 + 3.28T + 79T^{2} \)
83 \( 1 - 9.89T + 83T^{2} \)
89 \( 1 + 12.3T + 89T^{2} \)
97 \( 1 - 3.23iT - 97T^{2} \)
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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

−9.609721465798060147324964145280, −8.520945424676865571711541100269, −7.914384079456992713071678653784, −6.75802313770496469729510105736, −6.28524417103142501143136642842, −5.23008547850615964295876856968, −4.22774655341874005962782919726, −3.49005920146026080026101974054, −1.92390376170790479077590070880, −0.942590635634281089457906347394, 1.46064666476289788937394305604, 2.58190790307188608513922138075, 3.33381591635707378793982800884, 4.86680919672943546384935410365, 5.68144034145938091198566397057, 6.20191611573038067994760347136, 7.04374985726521084231804453842, 8.427013298908508975684152539131, 8.787691200042909579021100951798, 9.558838355286580067803828837126

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