Properties

Label 2-38-19.7-c7-0-1
Degree $2$
Conductor $38$
Sign $-0.850 + 0.525i$
Analytic cond. $11.8706$
Root an. cond. $3.44537$
Motivic weight $7$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (4 + 6.92i)2-s + (36.4 + 63.2i)3-s + (−31.9 + 55.4i)4-s + (−170. − 295. i)5-s + (−291. + 505. i)6-s − 1.66e3·7-s − 511.·8-s + (−1.56e3 + 2.71e3i)9-s + (1.36e3 − 2.36e3i)10-s + 1.78e3·11-s − 4.67e3·12-s + (−993. + 1.72e3i)13-s + (−6.67e3 − 1.15e4i)14-s + (1.24e4 − 2.15e4i)15-s + (−2.04e3 − 3.54e3i)16-s + (1.31e4 + 2.27e4i)17-s + ⋯
L(s)  = 1  + (0.353 + 0.612i)2-s + (0.780 + 1.35i)3-s + (−0.249 + 0.433i)4-s + (−0.609 − 1.05i)5-s + (−0.551 + 0.955i)6-s − 1.83·7-s − 0.353·8-s + (−0.717 + 1.24i)9-s + (0.431 − 0.746i)10-s + 0.405·11-s − 0.780·12-s + (−0.125 + 0.217i)13-s + (−0.649 − 1.12i)14-s + (0.951 − 1.64i)15-s + (−0.125 − 0.216i)16-s + (0.647 + 1.12i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.850 + 0.525i)\, \overline{\Lambda}(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & (-0.850 + 0.525i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $-0.850 + 0.525i$
Analytic conductor: \(11.8706\)
Root analytic conductor: \(3.44537\)
Motivic weight: \(7\)
Rational: no
Arithmetic: yes
Character: $\chi_{38} (7, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :7/2),\ -0.850 + 0.525i)\)

Particular Values

\(L(4)\) \(\approx\) \(0.281769 - 0.991452i\)
\(L(\frac12)\) \(\approx\) \(0.281769 - 0.991452i\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-4 - 6.92i)T \)
19 \( 1 + (2.15e4 - 2.07e4i)T \)
good3 \( 1 + (-36.4 - 63.2i)T + (-1.09e3 + 1.89e3i)T^{2} \)
5 \( 1 + (170. + 295. i)T + (-3.90e4 + 6.76e4i)T^{2} \)
7 \( 1 + 1.66e3T + 8.23e5T^{2} \)
11 \( 1 - 1.78e3T + 1.94e7T^{2} \)
13 \( 1 + (993. - 1.72e3i)T + (-3.13e7 - 5.43e7i)T^{2} \)
17 \( 1 + (-1.31e4 - 2.27e4i)T + (-2.05e8 + 3.55e8i)T^{2} \)
23 \( 1 + (4.21e4 - 7.29e4i)T + (-1.70e9 - 2.94e9i)T^{2} \)
29 \( 1 + (-9.36e4 + 1.62e5i)T + (-8.62e9 - 1.49e10i)T^{2} \)
31 \( 1 + 1.53e5T + 2.75e10T^{2} \)
37 \( 1 + 4.82e4T + 9.49e10T^{2} \)
41 \( 1 + (-3.06e5 - 5.31e5i)T + (-9.73e10 + 1.68e11i)T^{2} \)
43 \( 1 + (1.54e5 + 2.68e5i)T + (-1.35e11 + 2.35e11i)T^{2} \)
47 \( 1 + (5.05e5 - 8.75e5i)T + (-2.53e11 - 4.38e11i)T^{2} \)
53 \( 1 + (-3.44e5 + 5.97e5i)T + (-5.87e11 - 1.01e12i)T^{2} \)
59 \( 1 + (3.23e5 + 5.60e5i)T + (-1.24e12 + 2.15e12i)T^{2} \)
61 \( 1 + (3.98e5 - 6.89e5i)T + (-1.57e12 - 2.72e12i)T^{2} \)
67 \( 1 + (1.22e6 - 2.11e6i)T + (-3.03e12 - 5.24e12i)T^{2} \)
71 \( 1 + (1.44e6 + 2.50e6i)T + (-4.54e12 + 7.87e12i)T^{2} \)
73 \( 1 + (9.03e5 + 1.56e6i)T + (-5.52e12 + 9.56e12i)T^{2} \)
79 \( 1 + (-3.82e6 - 6.61e6i)T + (-9.60e12 + 1.66e13i)T^{2} \)
83 \( 1 + 2.25e6T + 2.71e13T^{2} \)
89 \( 1 + (-5.42e6 + 9.40e6i)T + (-2.21e13 - 3.83e13i)T^{2} \)
97 \( 1 + (-4.56e6 - 7.91e6i)T + (-4.03e13 + 6.99e13i)T^{2} \)
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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

−15.66338042771689069262952143149, −14.61717951330343928086167431361, −13.21664887580626564515776285933, −12.21849821133930190807293275138, −10.03269712318890762028014274859, −9.212872292035510919052692705924, −8.088832289196420985938952921929, −6.03190049728154134641621760507, −4.23706525274644157466329891067, −3.48140071023841265487026098957, 0.35287574146464979864726285681, 2.59283830430939613623150339755, 3.40351744961117569383598240696, 6.48550382757736212767416959025, 7.21386288222053345385529823838, 9.003064498010209590565949163647, 10.45278116209385802715143191771, 12.08368226629281123481648381530, 12.81808267588915147493579879435, 13.88332553672540007802355878978

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