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Properties

Label 2-1620-45.14-c2-0-18
Degree $2$
Conductor $1620$
Sign $0.0622 - 0.998i$
Analytic cond. $44.1418$
Root an. cond. $6.64392$
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  + (−1.17 + 4.86i)5-s + (−5.87 + 3.39i)7-s + (8.57 − 4.94i)11-s + (17.6 + 10.1i)13-s + 19.1·17-s + 12·19-s + (−4.79 + 8.30i)23-s + (−22.2 − 11.4i)25-s + (−7.34 + 4.24i)29-s + (19 − 32.9i)31-s + (−9.59 − 32.5i)35-s − 6.78i·37-s + (−60.0 − 34.6i)41-s + (58.7 − 33.9i)43-s + (38.3 + 66.4i)47-s + ⋯
L(s)  = 1  + (−0.234 + 0.972i)5-s + (−0.839 + 0.484i)7-s + (0.779 − 0.449i)11-s + (1.35 + 0.782i)13-s + 1.12·17-s + 0.631·19-s + (−0.208 + 0.361i)23-s + (−0.889 − 0.456i)25-s + (−0.253 + 0.146i)29-s + (0.612 − 1.06i)31-s + (−0.274 − 0.929i)35-s − 0.183i·37-s + (−1.46 − 0.845i)41-s + (1.36 − 0.788i)43-s + (0.816 + 1.41i)47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.0622 - 0.998i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1620 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.0622 - 0.998i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1620\)    =    \(2^{2} \cdot 3^{4} \cdot 5\)
Sign: $0.0622 - 0.998i$
Analytic conductor: \(44.1418\)
Root analytic conductor: \(6.64392\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1620} (1349, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1620,\ (\ :1),\ 0.0622 - 0.998i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.905804803\)
\(L(\frac12)\) \(\approx\) \(1.905804803\)
\(L(2)\) 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 \( 1 + (1.17 - 4.86i)T \)
good7 \( 1 + (5.87 - 3.39i)T + (24.5 - 42.4i)T^{2} \)
11 \( 1 + (-8.57 + 4.94i)T + (60.5 - 104. i)T^{2} \)
13 \( 1 + (-17.6 - 10.1i)T + (84.5 + 146. i)T^{2} \)
17 \( 1 - 19.1T + 289T^{2} \)
19 \( 1 - 12T + 361T^{2} \)
23 \( 1 + (4.79 - 8.30i)T + (-264.5 - 458. i)T^{2} \)
29 \( 1 + (7.34 - 4.24i)T + (420.5 - 728. i)T^{2} \)
31 \( 1 + (-19 + 32.9i)T + (-480.5 - 832. i)T^{2} \)
37 \( 1 + 6.78iT - 1.36e3T^{2} \)
41 \( 1 + (60.0 + 34.6i)T + (840.5 + 1.45e3i)T^{2} \)
43 \( 1 + (-58.7 + 33.9i)T + (924.5 - 1.60e3i)T^{2} \)
47 \( 1 + (-38.3 - 66.4i)T + (-1.10e3 + 1.91e3i)T^{2} \)
53 \( 1 + 2.80e3T^{2} \)
59 \( 1 + (-72.2 - 41.7i)T + (1.74e3 + 3.01e3i)T^{2} \)
61 \( 1 + (-35 - 60.6i)T + (-1.86e3 + 3.22e3i)T^{2} \)
67 \( 1 + (93.9 + 54.2i)T + (2.24e3 + 3.88e3i)T^{2} \)
71 \( 1 - 118. iT - 5.04e3T^{2} \)
73 \( 1 + 13.5iT - 5.32e3T^{2} \)
79 \( 1 + (15 + 25.9i)T + (-3.12e3 + 5.40e3i)T^{2} \)
83 \( 1 + (-67.1 - 116. i)T + (-3.44e3 + 5.96e3i)T^{2} \)
89 \( 1 - 32.5iT - 7.92e3T^{2} \)
97 \( 1 + (82.2 - 47.4i)T + (4.70e3 - 8.14e3i)T^{2} \)
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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

−9.368101320753904596876494057686, −8.739939932569556973640344900817, −7.71042078637330979391595827642, −6.92772510285084616339586298585, −6.10682942155193908008155256163, −5.70016223169246548194676023052, −3.97083095652081732862072371696, −3.53812925462567466032525516457, −2.53619467986412609031087062997, −1.10685167613841384126529542385, 0.64196217447151302228840326111, 1.45901529037273705395838906854, 3.26431311959624513699171379486, 3.79499118972699040799104465979, 4.86181380866191122732486501846, 5.77274237096315554420777936602, 6.54743086859605274583584083822, 7.49639142018870700570143652809, 8.310081822080323197378125755908, 8.956831814815197670335320782292

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