Properties

Label 2-42-7.2-c11-0-8
Degree $2$
Conductor $42$
Sign $0.991 + 0.130i$
Analytic cond. $32.2704$
Root an. cond. $5.68070$
Motivic weight $11$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (16 − 27.7i)2-s + (121.5 + 210. i)3-s + (−511. − 886. i)4-s + (−1.01e3 + 1.76e3i)5-s + 7.77e3·6-s + (4.20e4 − 1.43e4i)7-s − 3.27e4·8-s + (−2.95e4 + 5.11e4i)9-s + (3.25e4 + 5.63e4i)10-s + (3.93e4 + 6.82e4i)11-s + (1.24e5 − 2.15e5i)12-s − 7.88e5·13-s + (2.74e5 − 1.39e6i)14-s − 4.94e5·15-s + (−5.24e5 + 9.08e5i)16-s + (5.11e6 + 8.86e6i)17-s + ⋯
L(s)  = 1  + (0.353 − 0.612i)2-s + (0.288 + 0.499i)3-s + (−0.249 − 0.433i)4-s + (−0.145 + 0.252i)5-s + 0.408·6-s + (0.946 − 0.323i)7-s − 0.353·8-s + (−0.166 + 0.288i)9-s + (0.102 + 0.178i)10-s + (0.0737 + 0.127i)11-s + (0.144 − 0.249i)12-s − 0.589·13-s + (0.136 − 0.693i)14-s − 0.168·15-s + (−0.125 + 0.216i)16-s + (0.873 + 1.51i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 42 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.991 + 0.130i)\, \overline{\Lambda}(12-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 42 ^{s/2} \, \Gamma_{\C}(s+11/2) \, L(s)\cr =\mathstrut & (0.991 + 0.130i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(42\)    =    \(2 \cdot 3 \cdot 7\)
Sign: $0.991 + 0.130i$
Analytic conductor: \(32.2704\)
Root analytic conductor: \(5.68070\)
Motivic weight: \(11\)
Rational: no
Arithmetic: yes
Character: $\chi_{42} (37, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 42,\ (\ :11/2),\ 0.991 + 0.130i)\)

Particular Values

\(L(6)\) \(\approx\) \(2.87113 - 0.188250i\)
\(L(\frac12)\) \(\approx\) \(2.87113 - 0.188250i\)
\(L(\frac{13}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-16 + 27.7i)T \)
3 \( 1 + (-121.5 - 210. i)T \)
7 \( 1 + (-4.20e4 + 1.43e4i)T \)
good5 \( 1 + (1.01e3 - 1.76e3i)T + (-2.44e7 - 4.22e7i)T^{2} \)
11 \( 1 + (-3.93e4 - 6.82e4i)T + (-1.42e11 + 2.47e11i)T^{2} \)
13 \( 1 + 7.88e5T + 1.79e12T^{2} \)
17 \( 1 + (-5.11e6 - 8.86e6i)T + (-1.71e13 + 2.96e13i)T^{2} \)
19 \( 1 + (-1.03e7 + 1.78e7i)T + (-5.82e13 - 1.00e14i)T^{2} \)
23 \( 1 + (3.67e6 - 6.36e6i)T + (-4.76e14 - 8.25e14i)T^{2} \)
29 \( 1 - 9.93e7T + 1.22e16T^{2} \)
31 \( 1 + (-1.00e8 - 1.74e8i)T + (-1.27e16 + 2.20e16i)T^{2} \)
37 \( 1 + (-1.95e8 + 3.38e8i)T + (-8.89e16 - 1.54e17i)T^{2} \)
41 \( 1 - 7.80e8T + 5.50e17T^{2} \)
43 \( 1 - 2.17e7T + 9.29e17T^{2} \)
47 \( 1 + (-1.51e9 + 2.62e9i)T + (-1.23e18 - 2.14e18i)T^{2} \)
53 \( 1 + (-1.98e9 - 3.43e9i)T + (-4.63e18 + 8.02e18i)T^{2} \)
59 \( 1 + (1.37e9 + 2.38e9i)T + (-1.50e19 + 2.61e19i)T^{2} \)
61 \( 1 + (5.25e9 - 9.10e9i)T + (-2.17e19 - 3.76e19i)T^{2} \)
67 \( 1 + (-1.14e9 - 1.98e9i)T + (-6.10e19 + 1.05e20i)T^{2} \)
71 \( 1 - 4.54e9T + 2.31e20T^{2} \)
73 \( 1 + (6.98e9 + 1.20e10i)T + (-1.56e20 + 2.71e20i)T^{2} \)
79 \( 1 + (1.39e10 - 2.40e10i)T + (-3.73e20 - 6.47e20i)T^{2} \)
83 \( 1 + 6.17e10T + 1.28e21T^{2} \)
89 \( 1 + (1.20e10 - 2.09e10i)T + (-1.38e21 - 2.40e21i)T^{2} \)
97 \( 1 + 1.03e11T + 7.15e21T^{2} \)
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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

−13.69858312134191462454234227369, −12.25233544733534854520067027773, −11.09372651551942209329918306821, −10.19502153141529029034360288206, −8.802598330510709171431069360741, −7.35708947958100768216398341170, −5.32963680894483250784248038604, −4.17157637799142891905223780014, −2.77235282657427506259652257314, −1.16069158055762352552259325015, 0.969477061125037627392974048892, 2.76213845762736753039474071513, 4.58428872110303287702798195760, 5.83555044013265365341735711571, 7.49250789051589596135050414750, 8.222950499768543344888403220359, 9.702525059474743708850485176825, 11.71611436672429472415618496579, 12.39559986060462363481336347716, 14.02533233074674697531412087260

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