Properties

Label 2-42-21.5-c11-0-8
Degree $2$
Conductor $42$
Sign $0.631 + 0.775i$
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  + (−27.7 − 16i)2-s + (−76.1 − 413. i)3-s + (511. + 886. i)4-s + (−4.60e3 + 7.97e3i)5-s + (−4.51e3 + 1.26e4i)6-s + (−2.61e4 − 3.59e4i)7-s − 3.27e4i·8-s + (−1.65e5 + 6.30e4i)9-s + (2.55e5 − 1.47e5i)10-s + (−7.27e5 + 4.20e5i)11-s + (3.28e5 − 2.79e5i)12-s − 1.15e6i·13-s + (1.48e5 + 1.41e6i)14-s + (3.65e6 + 1.29e6i)15-s + (−5.24e5 + 9.08e5i)16-s + (5.51e6 + 9.55e6i)17-s + ⋯
L(s)  = 1  + (−0.612 − 0.353i)2-s + (−0.180 − 0.983i)3-s + (0.249 + 0.433i)4-s + (−0.658 + 1.14i)5-s + (−0.236 + 0.666i)6-s + (−0.587 − 0.809i)7-s − 0.353i·8-s + (−0.934 + 0.355i)9-s + (0.806 − 0.465i)10-s + (−1.36 + 0.786i)11-s + (0.380 − 0.324i)12-s − 0.862i·13-s + (0.0738 + 0.703i)14-s + (1.24 + 0.441i)15-s + (−0.125 + 0.216i)16-s + (0.942 + 1.63i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 42 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.631 + 0.775i)\, \overline{\Lambda}(12-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 42 ^{s/2} \, \Gamma_{\C}(s+11/2) \, L(s)\cr =\mathstrut & (0.631 + 0.775i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(42\)    =    \(2 \cdot 3 \cdot 7\)
Sign: $0.631 + 0.775i$
Analytic conductor: \(32.2704\)
Root analytic conductor: \(5.68070\)
Motivic weight: \(11\)
Rational: no
Arithmetic: yes
Character: $\chi_{42} (5, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 42,\ (\ :11/2),\ 0.631 + 0.775i)\)

Particular Values

\(L(6)\) \(\approx\) \(0.578044 - 0.274717i\)
\(L(\frac12)\) \(\approx\) \(0.578044 - 0.274717i\)
\(L(\frac{13}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (27.7 + 16i)T \)
3 \( 1 + (76.1 + 413. i)T \)
7 \( 1 + (2.61e4 + 3.59e4i)T \)
good5 \( 1 + (4.60e3 - 7.97e3i)T + (-2.44e7 - 4.22e7i)T^{2} \)
11 \( 1 + (7.27e5 - 4.20e5i)T + (1.42e11 - 2.47e11i)T^{2} \)
13 \( 1 + 1.15e6iT - 1.79e12T^{2} \)
17 \( 1 + (-5.51e6 - 9.55e6i)T + (-1.71e13 + 2.96e13i)T^{2} \)
19 \( 1 + (-2.84e6 - 1.64e6i)T + (5.82e13 + 1.00e14i)T^{2} \)
23 \( 1 + (3.04e7 + 1.75e7i)T + (4.76e14 + 8.25e14i)T^{2} \)
29 \( 1 + 8.82e7iT - 1.22e16T^{2} \)
31 \( 1 + (2.70e7 - 1.56e7i)T + (1.27e16 - 2.20e16i)T^{2} \)
37 \( 1 + (-2.80e8 + 4.85e8i)T + (-8.89e16 - 1.54e17i)T^{2} \)
41 \( 1 - 6.02e7T + 5.50e17T^{2} \)
43 \( 1 - 7.98e8T + 9.29e17T^{2} \)
47 \( 1 + (-1.32e9 + 2.29e9i)T + (-1.23e18 - 2.14e18i)T^{2} \)
53 \( 1 + (3.07e9 - 1.77e9i)T + (4.63e18 - 8.02e18i)T^{2} \)
59 \( 1 + (2.88e9 + 4.98e9i)T + (-1.50e19 + 2.61e19i)T^{2} \)
61 \( 1 + (-1.76e8 - 1.02e8i)T + (2.17e19 + 3.76e19i)T^{2} \)
67 \( 1 + (-4.17e9 - 7.22e9i)T + (-6.10e19 + 1.05e20i)T^{2} \)
71 \( 1 + 5.34e9iT - 2.31e20T^{2} \)
73 \( 1 + (1.30e10 - 7.55e9i)T + (1.56e20 - 2.71e20i)T^{2} \)
79 \( 1 + (-1.53e10 + 2.66e10i)T + (-3.73e20 - 6.47e20i)T^{2} \)
83 \( 1 - 5.81e10T + 1.28e21T^{2} \)
89 \( 1 + (-4.18e9 + 7.25e9i)T + (-1.38e21 - 2.40e21i)T^{2} \)
97 \( 1 - 1.54e10iT - 7.15e21T^{2} \)
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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

−13.06692335996635723690807018290, −12.28050759419382014230790969492, −10.74455736041660564232462962434, −10.25583401344027126814147723741, −7.86572512772568904980646815361, −7.52845781703456268629559757240, −6.10309641847282257512066383720, −3.54734816428749604060728159199, −2.30312069227854591971246224969, −0.49990943311355728149954210055, 0.54887344078265241559550494469, 2.99093560005215914030658566370, 4.82615882851481679602718755991, 5.77229632949608581158690491669, 7.86132936119762334182994235887, 8.969949278677379420726732804858, 9.746249478889129625488138832024, 11.30444778906148886744117086162, 12.26788063917098070524920678053, 13.93837614940460203006211553927

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