Properties

Label 2-42-21.11-c4-0-8
Degree $2$
Conductor $42$
Sign $-0.999 + 0.0208i$
Analytic cond. $4.34153$
Root an. cond. $2.08363$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−2.44 + 1.41i)2-s + (0.191 − 8.99i)3-s + (3.99 − 6.92i)4-s + (−11.9 + 6.92i)5-s + (12.2 + 22.3i)6-s + (−39.6 + 28.8i)7-s + 22.6i·8-s + (−80.9 − 3.43i)9-s + (19.5 − 33.9i)10-s + (−90.4 − 52.2i)11-s + (−61.5 − 37.3i)12-s − 131.·13-s + (56.2 − 126. i)14-s + (59.9 + 109. i)15-s + (−32.0 − 55.4i)16-s + (−140. − 81.0i)17-s + ⋯
L(s)  = 1  + (−0.612 + 0.353i)2-s + (0.0212 − 0.999i)3-s + (0.249 − 0.433i)4-s + (−0.479 + 0.276i)5-s + (0.340 + 0.619i)6-s + (−0.808 + 0.588i)7-s + 0.353i·8-s + (−0.999 − 0.0424i)9-s + (0.195 − 0.339i)10-s + (−0.747 − 0.431i)11-s + (−0.427 − 0.259i)12-s − 0.779·13-s + (0.287 − 0.646i)14-s + (0.266 + 0.485i)15-s + (−0.125 − 0.216i)16-s + (−0.485 − 0.280i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 42 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.999 + 0.0208i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 42 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (-0.999 + 0.0208i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(42\)    =    \(2 \cdot 3 \cdot 7\)
Sign: $-0.999 + 0.0208i$
Analytic conductor: \(4.34153\)
Root analytic conductor: \(2.08363\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{42} (11, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 42,\ (\ :2),\ -0.999 + 0.0208i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(0.00132239 - 0.126690i\)
\(L(\frac12)\) \(\approx\) \(0.00132239 - 0.126690i\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (2.44 - 1.41i)T \)
3 \( 1 + (-0.191 + 8.99i)T \)
7 \( 1 + (39.6 - 28.8i)T \)
good5 \( 1 + (11.9 - 6.92i)T + (312.5 - 541. i)T^{2} \)
11 \( 1 + (90.4 + 52.2i)T + (7.32e3 + 1.26e4i)T^{2} \)
13 \( 1 + 131.T + 2.85e4T^{2} \)
17 \( 1 + (140. + 81.0i)T + (4.17e4 + 7.23e4i)T^{2} \)
19 \( 1 + (-123. - 213. i)T + (-6.51e4 + 1.12e5i)T^{2} \)
23 \( 1 + (-518. + 299. i)T + (1.39e5 - 2.42e5i)T^{2} \)
29 \( 1 + 1.39e3iT - 7.07e5T^{2} \)
31 \( 1 + (-241. + 418. i)T + (-4.61e5 - 7.99e5i)T^{2} \)
37 \( 1 + (1.10e3 + 1.92e3i)T + (-9.37e5 + 1.62e6i)T^{2} \)
41 \( 1 - 706. iT - 2.82e6T^{2} \)
43 \( 1 - 976.T + 3.41e6T^{2} \)
47 \( 1 + (3.79e3 - 2.18e3i)T + (2.43e6 - 4.22e6i)T^{2} \)
53 \( 1 + (-3.70e3 - 2.13e3i)T + (3.94e6 + 6.83e6i)T^{2} \)
59 \( 1 + (515. + 297. i)T + (6.05e6 + 1.04e7i)T^{2} \)
61 \( 1 + (2.87e3 + 4.97e3i)T + (-6.92e6 + 1.19e7i)T^{2} \)
67 \( 1 + (3.19e3 - 5.53e3i)T + (-1.00e7 - 1.74e7i)T^{2} \)
71 \( 1 + 965. iT - 2.54e7T^{2} \)
73 \( 1 + (1.60e3 - 2.77e3i)T + (-1.41e7 - 2.45e7i)T^{2} \)
79 \( 1 + (-1.22e3 - 2.11e3i)T + (-1.94e7 + 3.37e7i)T^{2} \)
83 \( 1 - 5.44e3iT - 4.74e7T^{2} \)
89 \( 1 + (9.39e3 - 5.42e3i)T + (3.13e7 - 5.43e7i)T^{2} \)
97 \( 1 + 9.79e3T + 8.85e7T^{2} \)
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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

−14.86675224990471823067422085014, −13.45675194850707326509617976235, −12.30884900754137396135620780157, −11.13143414032763276566177206587, −9.497476218718122862298773622907, −8.128676087954377768081607399888, −7.06600227503673152601068265091, −5.75255878253378345791788615813, −2.66747433819975516826445714908, −0.093720448243654555504379379049, 3.17282743999163974700667674958, 4.81939432826681385381625821607, 7.12660127789193673601332739428, 8.682354688110484296798555969434, 9.866072596288911026634643575172, 10.71043554892854520461382226101, 12.06508769541931572745952665617, 13.38004795232350853617394672606, 15.08321485916421345267339022518, 15.98281251839015238914346682244

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