Properties

Label 2-39-39.20-c3-0-3
Degree $2$
Conductor $39$
Sign $0.545 - 0.838i$
Analytic cond. $2.30107$
Root an. cond. $1.51692$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (0.0560 + 0.209i)2-s + (1.34 + 5.01i)3-s + (6.88 − 3.97i)4-s + (−10.0 + 10.0i)5-s + (−0.974 + 0.562i)6-s + (17.5 + 4.68i)7-s + (2.44 + 2.44i)8-s + (−23.3 + 13.4i)9-s + (−2.66 − 1.53i)10-s + (39.2 − 10.5i)11-s + (29.2 + 29.2i)12-s + (−30.4 − 35.6i)13-s + 3.92i·14-s + (−63.9 − 36.9i)15-s + (31.4 − 54.4i)16-s + (−58.9 − 102. i)17-s + ⋯
L(s)  = 1  + (0.0198 + 0.0739i)2-s + (0.258 + 0.965i)3-s + (0.860 − 0.497i)4-s + (−0.898 + 0.898i)5-s + (−0.0662 + 0.0382i)6-s + (0.944 + 0.253i)7-s + (0.107 + 0.107i)8-s + (−0.866 + 0.499i)9-s + (−0.0841 − 0.0486i)10-s + (1.07 − 0.288i)11-s + (0.702 + 0.703i)12-s + (−0.649 − 0.760i)13-s + 0.0748i·14-s + (−1.10 − 0.635i)15-s + (0.491 − 0.850i)16-s + (−0.840 − 1.45i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 39 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.545 - 0.838i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 39 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (0.545 - 0.838i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(39\)    =    \(3 \cdot 13\)
Sign: $0.545 - 0.838i$
Analytic conductor: \(2.30107\)
Root analytic conductor: \(1.51692\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{39} (20, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 39,\ (\ :3/2),\ 0.545 - 0.838i)\)

Particular Values

\(L(2)\) \(\approx\) \(1.33073 + 0.721899i\)
\(L(\frac12)\) \(\approx\) \(1.33073 + 0.721899i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-1.34 - 5.01i)T \)
13 \( 1 + (30.4 + 35.6i)T \)
good2 \( 1 + (-0.0560 - 0.209i)T + (-6.92 + 4i)T^{2} \)
5 \( 1 + (10.0 - 10.0i)T - 125iT^{2} \)
7 \( 1 + (-17.5 - 4.68i)T + (297. + 171.5i)T^{2} \)
11 \( 1 + (-39.2 + 10.5i)T + (1.15e3 - 665.5i)T^{2} \)
17 \( 1 + (58.9 + 102. i)T + (-2.45e3 + 4.25e3i)T^{2} \)
19 \( 1 + (8.33 - 31.0i)T + (-5.94e3 - 3.42e3i)T^{2} \)
23 \( 1 + (-37.9 + 65.7i)T + (-6.08e3 - 1.05e4i)T^{2} \)
29 \( 1 + (-106. - 61.4i)T + (1.21e4 + 2.11e4i)T^{2} \)
31 \( 1 + (-49.4 - 49.4i)T + 2.97e4iT^{2} \)
37 \( 1 + (-33.4 - 124. i)T + (-4.38e4 + 2.53e4i)T^{2} \)
41 \( 1 + (-77.5 - 289. i)T + (-5.96e4 + 3.44e4i)T^{2} \)
43 \( 1 + (311. - 180. i)T + (3.97e4 - 6.88e4i)T^{2} \)
47 \( 1 + (324. + 324. i)T + 1.03e5iT^{2} \)
53 \( 1 + 207. iT - 1.48e5T^{2} \)
59 \( 1 + (43.3 - 161. i)T + (-1.77e5 - 1.02e5i)T^{2} \)
61 \( 1 + (-52.8 - 91.4i)T + (-1.13e5 + 1.96e5i)T^{2} \)
67 \( 1 + (-618. + 165. i)T + (2.60e5 - 1.50e5i)T^{2} \)
71 \( 1 + (-234. - 62.9i)T + (3.09e5 + 1.78e5i)T^{2} \)
73 \( 1 + (305. - 305. i)T - 3.89e5iT^{2} \)
79 \( 1 + 452.T + 4.93e5T^{2} \)
83 \( 1 + (646. - 646. i)T - 5.71e5iT^{2} \)
89 \( 1 + (986. - 264. i)T + (6.10e5 - 3.52e5i)T^{2} \)
97 \( 1 + (-269. + 1.00e3i)T + (-7.90e5 - 4.56e5i)T^{2} \)
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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

−15.63180791027488444092216528647, −14.84159532678531389705739451235, −14.31489163638377989265190597945, −11.62151470968259361919495027690, −11.25252921868877163511127957508, −9.977474340632615053594085150402, −8.259579285359519348596056548124, −6.81455735116807735524408936868, −4.89258373976672956445530492443, −2.93849283692716647342465086036, 1.70722795812059052653972136371, 4.18288097928323793516407496190, 6.67511042487693666211177897712, 7.81873491329457044758878981864, 8.761684060625309011674616506291, 11.29096721228537647973368903542, 11.96016397682467310422224941838, 12.85979096490972640171690183233, 14.41345831406126139187752771039, 15.50820281252039408033991393152

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