Properties

Label 2-720-5.2-c2-0-18
Degree $2$
Conductor $720$
Sign $0.995 + 0.0898i$
Analytic cond. $19.6185$
Root an. cond. $4.42928$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (3 − 4i)5-s + (7 + 7i)7-s + 10·11-s + (9 − 9i)13-s + (−1 − i)17-s + 8i·19-s + (−23 + 23i)23-s + (−7 − 24i)25-s + 8i·29-s + 14·31-s + (49 − 7i)35-s + (33 + 33i)37-s + 14·41-s + (15 − 15i)43-s + (−39 − 39i)47-s + ⋯
L(s)  = 1  + (0.600 − 0.800i)5-s + (1 + i)7-s + 0.909·11-s + (0.692 − 0.692i)13-s + (−0.0588 − 0.0588i)17-s + 0.421i·19-s + (−1 + i)23-s + (−0.280 − 0.959i)25-s + 0.275i·29-s + 0.451·31-s + (1.39 − 0.199i)35-s + (0.891 + 0.891i)37-s + 0.341·41-s + (0.348 − 0.348i)43-s + (−0.829 − 0.829i)47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 720 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.995 + 0.0898i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 720 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.995 + 0.0898i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(720\)    =    \(2^{4} \cdot 3^{2} \cdot 5\)
Sign: $0.995 + 0.0898i$
Analytic conductor: \(19.6185\)
Root analytic conductor: \(4.42928\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{720} (577, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 720,\ (\ :1),\ 0.995 + 0.0898i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.513608501\)
\(L(\frac12)\) \(\approx\) \(2.513608501\)
\(L(2)\) 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 \( 1 + (-3 + 4i)T \)
good7 \( 1 + (-7 - 7i)T + 49iT^{2} \)
11 \( 1 - 10T + 121T^{2} \)
13 \( 1 + (-9 + 9i)T - 169iT^{2} \)
17 \( 1 + (1 + i)T + 289iT^{2} \)
19 \( 1 - 8iT - 361T^{2} \)
23 \( 1 + (23 - 23i)T - 529iT^{2} \)
29 \( 1 - 8iT - 841T^{2} \)
31 \( 1 - 14T + 961T^{2} \)
37 \( 1 + (-33 - 33i)T + 1.36e3iT^{2} \)
41 \( 1 - 14T + 1.68e3T^{2} \)
43 \( 1 + (-15 + 15i)T - 1.84e3iT^{2} \)
47 \( 1 + (39 + 39i)T + 2.20e3iT^{2} \)
53 \( 1 + (-7 + 7i)T - 2.80e3iT^{2} \)
59 \( 1 + 56iT - 3.48e3T^{2} \)
61 \( 1 - 42T + 3.72e3T^{2} \)
67 \( 1 + (-7 - 7i)T + 4.48e3iT^{2} \)
71 \( 1 - 98T + 5.04e3T^{2} \)
73 \( 1 + (-49 + 49i)T - 5.32e3iT^{2} \)
79 \( 1 + 96iT - 6.24e3T^{2} \)
83 \( 1 + (63 - 63i)T - 6.88e3iT^{2} \)
89 \( 1 - 112iT - 7.92e3T^{2} \)
97 \( 1 + (-33 - 33i)T + 9.40e3iT^{2} \)
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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

−10.01419838776438745095840123690, −9.290673215545744174008484908197, −8.430617383784460907522646142375, −7.969322647677959939629691636076, −6.40530068157379139860567763140, −5.65540058920006743653805297383, −4.91599197486204087057238899903, −3.72654279820159866866042886056, −2.14808219076491784280771570545, −1.20153402583324936702428003609, 1.17087442095904536008962883593, 2.32025632687975471213759164623, 3.84683340037927167750113122166, 4.53429292528685720498073819193, 5.98657338667022339334989494905, 6.66324816031926433044379137480, 7.52843610390515647406408300019, 8.479797822870693464488944634349, 9.475012233605069160493288152841, 10.28620738372544710916782614417

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