Properties

Label 2-1440-15.14-c0-0-1
Degree $2$
Conductor $1440$
Sign $0.985 + 0.169i$
Analytic cond. $0.718653$
Root an. cond. $0.847734$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.707 − 0.707i)5-s + 2i·13-s + 1.41·17-s − 1.00i·25-s − 1.41i·29-s − 1.41i·41-s + 49-s − 1.41·53-s − 2·61-s + (1.41 + 1.41i)65-s + 2i·73-s + (1.00 − 1.00i)85-s + 1.41i·89-s − 2i·97-s + 1.41i·101-s + ⋯
L(s)  = 1  + (0.707 − 0.707i)5-s + 2i·13-s + 1.41·17-s − 1.00i·25-s − 1.41i·29-s − 1.41i·41-s + 49-s − 1.41·53-s − 2·61-s + (1.41 + 1.41i)65-s + 2i·73-s + (1.00 − 1.00i)85-s + 1.41i·89-s − 2i·97-s + 1.41i·101-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.985 + 0.169i)\, \overline{\Lambda}(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.985 + 0.169i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1440\)    =    \(2^{5} \cdot 3^{2} \cdot 5\)
Sign: $0.985 + 0.169i$
Analytic conductor: \(0.718653\)
Root analytic conductor: \(0.847734\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{1440} (449, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1440,\ (\ :0),\ 0.985 + 0.169i)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.270134969\)
\(L(\frac12)\) \(\approx\) \(1.270134969\)
\(L(1)\) 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 \( 1 + (-0.707 + 0.707i)T \)
good7 \( 1 - T^{2} \)
11 \( 1 - T^{2} \)
13 \( 1 - 2iT - T^{2} \)
17 \( 1 - 1.41T + T^{2} \)
19 \( 1 + T^{2} \)
23 \( 1 + T^{2} \)
29 \( 1 + 1.41iT - T^{2} \)
31 \( 1 + T^{2} \)
37 \( 1 - T^{2} \)
41 \( 1 + 1.41iT - T^{2} \)
43 \( 1 - T^{2} \)
47 \( 1 + T^{2} \)
53 \( 1 + 1.41T + T^{2} \)
59 \( 1 - T^{2} \)
61 \( 1 + 2T + T^{2} \)
67 \( 1 - T^{2} \)
71 \( 1 - T^{2} \)
73 \( 1 - 2iT - T^{2} \)
79 \( 1 + T^{2} \)
83 \( 1 + T^{2} \)
89 \( 1 - 1.41iT - T^{2} \)
97 \( 1 + 2iT - T^{2} \)
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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

−9.553858824657240101368288896079, −9.090499428393930836314391837302, −8.194245400958252722655658960203, −7.27150602456082908267575014598, −6.32838191959848265892489280876, −5.62038769339938934261416149294, −4.64928075559940795806477178620, −3.85913127206617898592903337975, −2.38797304877923060345285475303, −1.39531844209752677672521383740, 1.38947236109725984958811829432, 2.93347467469201182710604855232, 3.32645719166491216701691684480, 4.95525508818493987900826338056, 5.67128581410216422987891073893, 6.34617814767493698739957582905, 7.48661474104666128968710882523, 7.936472115288443522594499985502, 9.057505269634614069947100778300, 9.909754869060367955775021839298

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