Properties

Label 2-72-72.43-c2-0-16
Degree $2$
Conductor $72$
Sign $0.974 + 0.225i$
Analytic cond. $1.96185$
Root an. cond. $1.40066$
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  + (1.89 + 0.629i)2-s + (−1.96 − 2.26i)3-s + (3.20 + 2.39i)4-s + (5.84 − 3.37i)5-s + (−2.31 − 5.53i)6-s + (−3.50 − 2.02i)7-s + (4.58 + 6.55i)8-s + (−1.24 + 8.91i)9-s + (13.2 − 2.72i)10-s + (−4.13 + 7.16i)11-s + (−0.904 − 11.9i)12-s + (7.66 − 4.42i)13-s + (−5.38 − 6.05i)14-s + (−19.1 − 6.58i)15-s + (4.57 + 15.3i)16-s − 28.6·17-s + ⋯
L(s)  = 1  + (0.949 + 0.314i)2-s + (−0.656 − 0.754i)3-s + (0.801 + 0.597i)4-s + (1.16 − 0.675i)5-s + (−0.385 − 0.922i)6-s + (−0.501 − 0.289i)7-s + (0.572 + 0.819i)8-s + (−0.138 + 0.990i)9-s + (1.32 − 0.272i)10-s + (−0.376 + 0.651i)11-s + (−0.0753 − 0.997i)12-s + (0.589 − 0.340i)13-s + (−0.384 − 0.432i)14-s + (−1.27 − 0.439i)15-s + (0.285 + 0.958i)16-s − 1.68·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 72 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.974 + 0.225i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 72 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.974 + 0.225i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(72\)    =    \(2^{3} \cdot 3^{2}\)
Sign: $0.974 + 0.225i$
Analytic conductor: \(1.96185\)
Root analytic conductor: \(1.40066\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{72} (43, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 72,\ (\ :1),\ 0.974 + 0.225i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.86188 - 0.212230i\)
\(L(\frac12)\) \(\approx\) \(1.86188 - 0.212230i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.89 - 0.629i)T \)
3 \( 1 + (1.96 + 2.26i)T \)
good5 \( 1 + (-5.84 + 3.37i)T + (12.5 - 21.6i)T^{2} \)
7 \( 1 + (3.50 + 2.02i)T + (24.5 + 42.4i)T^{2} \)
11 \( 1 + (4.13 - 7.16i)T + (-60.5 - 104. i)T^{2} \)
13 \( 1 + (-7.66 + 4.42i)T + (84.5 - 146. i)T^{2} \)
17 \( 1 + 28.6T + 289T^{2} \)
19 \( 1 + 7.93T + 361T^{2} \)
23 \( 1 + (25.3 - 14.6i)T + (264.5 - 458. i)T^{2} \)
29 \( 1 + (-15.7 - 9.08i)T + (420.5 + 728. i)T^{2} \)
31 \( 1 + (-40.8 + 23.5i)T + (480.5 - 832. i)T^{2} \)
37 \( 1 - 13.3iT - 1.36e3T^{2} \)
41 \( 1 + (-31.0 - 53.7i)T + (-840.5 + 1.45e3i)T^{2} \)
43 \( 1 + (-26.5 + 46.0i)T + (-924.5 - 1.60e3i)T^{2} \)
47 \( 1 + (12.8 + 7.43i)T + (1.10e3 + 1.91e3i)T^{2} \)
53 \( 1 + 100. iT - 2.80e3T^{2} \)
59 \( 1 + (11.4 + 19.9i)T + (-1.74e3 + 3.01e3i)T^{2} \)
61 \( 1 + (51.3 + 29.6i)T + (1.86e3 + 3.22e3i)T^{2} \)
67 \( 1 + (-10.3 - 17.9i)T + (-2.24e3 + 3.88e3i)T^{2} \)
71 \( 1 - 54.7iT - 5.04e3T^{2} \)
73 \( 1 + 27.3T + 5.32e3T^{2} \)
79 \( 1 + (-62.9 - 36.3i)T + (3.12e3 + 5.40e3i)T^{2} \)
83 \( 1 + (-4.34 + 7.53i)T + (-3.44e3 - 5.96e3i)T^{2} \)
89 \( 1 + 28.2T + 7.92e3T^{2} \)
97 \( 1 + (0.200 - 0.348i)T + (-4.70e3 - 8.14e3i)T^{2} \)
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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

−13.80623143665642475513526072437, −13.25738894564060954061457730799, −12.64094516324498162801724022069, −11.34580361903369924728059066828, −10.05688004343647067744870054146, −8.254254248881134945841320216706, −6.72161794291710784648794512042, −5.92200372401865411302492381585, −4.66263592344820795116014325263, −2.10111781607429616860403854723, 2.66374704220442627412016687771, 4.40225779292735302379730433110, 6.07799870865417563182144397468, 6.35594452051347371849889122262, 9.163036637498921461640059088337, 10.41038667516218654758350067137, 10.92731304977852939465697127184, 12.24705821767181182695064752620, 13.49275599249299224785610619088, 14.22784474124651672788552418973

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