Properties

Label 2-42-7.4-c5-0-1
Degree $2$
Conductor $42$
Sign $0.972 + 0.233i$
Analytic cond. $6.73612$
Root an. cond. $2.59540$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−2 − 3.46i)2-s + (4.5 − 7.79i)3-s + (−7.99 + 13.8i)4-s + (37.7 + 65.3i)5-s − 36·6-s + (99.4 + 83.1i)7-s + 63.9·8-s + (−40.5 − 70.1i)9-s + (150. − 261. i)10-s + (74.7 − 129. i)11-s + (72 + 124. i)12-s + 349.·13-s + (88.9 − 510. i)14-s + 679.·15-s + (−128 − 221. i)16-s + (574. − 995. i)17-s + ⋯
L(s)  = 1  + (−0.353 − 0.612i)2-s + (0.288 − 0.499i)3-s + (−0.249 + 0.433i)4-s + (0.675 + 1.16i)5-s − 0.408·6-s + (0.767 + 0.641i)7-s + 0.353·8-s + (−0.166 − 0.288i)9-s + (0.477 − 0.826i)10-s + (0.186 − 0.322i)11-s + (0.144 + 0.249i)12-s + 0.573·13-s + (0.121 − 0.696i)14-s + 0.779·15-s + (−0.125 − 0.216i)16-s + (0.482 − 0.835i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 42 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.972 + 0.233i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 42 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (0.972 + 0.233i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(42\)    =    \(2 \cdot 3 \cdot 7\)
Sign: $0.972 + 0.233i$
Analytic conductor: \(6.73612\)
Root analytic conductor: \(2.59540\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{42} (25, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 42,\ (\ :5/2),\ 0.972 + 0.233i)\)

Particular Values

\(L(3)\) \(\approx\) \(1.71801 - 0.203520i\)
\(L(\frac12)\) \(\approx\) \(1.71801 - 0.203520i\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (2 + 3.46i)T \)
3 \( 1 + (-4.5 + 7.79i)T \)
7 \( 1 + (-99.4 - 83.1i)T \)
good5 \( 1 + (-37.7 - 65.3i)T + (-1.56e3 + 2.70e3i)T^{2} \)
11 \( 1 + (-74.7 + 129. i)T + (-8.05e4 - 1.39e5i)T^{2} \)
13 \( 1 - 349.T + 3.71e5T^{2} \)
17 \( 1 + (-574. + 995. i)T + (-7.09e5 - 1.22e6i)T^{2} \)
19 \( 1 + (-1.39e3 - 2.42e3i)T + (-1.23e6 + 2.14e6i)T^{2} \)
23 \( 1 + (906. + 1.57e3i)T + (-3.21e6 + 5.57e6i)T^{2} \)
29 \( 1 + 759.T + 2.05e7T^{2} \)
31 \( 1 + (4.51e3 - 7.82e3i)T + (-1.43e7 - 2.47e7i)T^{2} \)
37 \( 1 + (3.89e3 + 6.75e3i)T + (-3.46e7 + 6.00e7i)T^{2} \)
41 \( 1 - 7.64e3T + 1.15e8T^{2} \)
43 \( 1 - 1.21e4T + 1.47e8T^{2} \)
47 \( 1 + (1.22e4 + 2.13e4i)T + (-1.14e8 + 1.98e8i)T^{2} \)
53 \( 1 + (6.79e3 - 1.17e4i)T + (-2.09e8 - 3.62e8i)T^{2} \)
59 \( 1 + (-1.31e4 + 2.28e4i)T + (-3.57e8 - 6.19e8i)T^{2} \)
61 \( 1 + (1.76e4 + 3.05e4i)T + (-4.22e8 + 7.31e8i)T^{2} \)
67 \( 1 + (2.71e4 - 4.70e4i)T + (-6.75e8 - 1.16e9i)T^{2} \)
71 \( 1 + 7.01e4T + 1.80e9T^{2} \)
73 \( 1 + (-2.22e4 + 3.85e4i)T + (-1.03e9 - 1.79e9i)T^{2} \)
79 \( 1 + (3.08e4 + 5.33e4i)T + (-1.53e9 + 2.66e9i)T^{2} \)
83 \( 1 + 8.71e4T + 3.93e9T^{2} \)
89 \( 1 + (4.92e4 + 8.53e4i)T + (-2.79e9 + 4.83e9i)T^{2} \)
97 \( 1 - 3.23e4T + 8.58e9T^{2} \)
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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

−14.40762082674568385007892034832, −14.07119603961883638956409695872, −12.40875774893812824791127309990, −11.32016955393892164608015431388, −10.17810844914614595438253428150, −8.794982447906053593213236342280, −7.43769984278682279682959021933, −5.81109102927982809547068560307, −3.17332306283888373554353941637, −1.72159539290407292860288789661, 1.29799480292732588237456909053, 4.39841466560044460160635738177, 5.63086540738513524545537447771, 7.62893463278246096588817209785, 8.862852256654795749360621217304, 9.775010148569778627993517380606, 11.21851718098413744130308417001, 13.08246783103391748691891156258, 13.97107247357890695106260512512, 15.17631296592097376243115542764

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