Properties

Label 2-7e2-7.3-c6-0-1
Degree $2$
Conductor $49$
Sign $0.937 - 0.347i$
Analytic cond. $11.2726$
Root an. cond. $3.35747$
Motivic weight $6$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−2.33 − 4.04i)2-s + (−32.1 − 18.5i)3-s + (21.1 − 36.5i)4-s + (−189. + 109. i)5-s + 173. i·6-s − 495.·8-s + (322. + 558. i)9-s + (883. + 510. i)10-s + (168. − 292. i)11-s + (−1.35e3 + 782. i)12-s − 2.48e3i·13-s + 8.09e3·15-s + (−192. − 333. i)16-s + (5.15e3 + 2.97e3i)17-s + (1.50e3 − 2.60e3i)18-s + (−1.60e3 + 929. i)19-s + ⋯
L(s)  = 1  + (−0.291 − 0.505i)2-s + (−1.18 − 0.686i)3-s + (0.329 − 0.571i)4-s + (−1.51 + 0.873i)5-s + 0.801i·6-s − 0.968·8-s + (0.442 + 0.766i)9-s + (0.883 + 0.510i)10-s + (0.126 − 0.219i)11-s + (−0.783 + 0.452i)12-s − 1.12i·13-s + 2.39·15-s + (−0.0470 − 0.0815i)16-s + (1.05 + 0.606i)17-s + (0.258 − 0.447i)18-s + (−0.234 + 0.135i)19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.937 - 0.347i)\, \overline{\Lambda}(7-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s+3) \, L(s)\cr =\mathstrut & (0.937 - 0.347i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(49\)    =    \(7^{2}\)
Sign: $0.937 - 0.347i$
Analytic conductor: \(11.2726\)
Root analytic conductor: \(3.35747\)
Motivic weight: \(6\)
Rational: no
Arithmetic: yes
Character: $\chi_{49} (31, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 49,\ (\ :3),\ 0.937 - 0.347i)\)

Particular Values

\(L(\frac{7}{2})\) \(\approx\) \(0.341381 + 0.0612662i\)
\(L(\frac12)\) \(\approx\) \(0.341381 + 0.0612662i\)
\(L(4)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
good2 \( 1 + (2.33 + 4.04i)T + (-32 + 55.4i)T^{2} \)
3 \( 1 + (32.1 + 18.5i)T + (364.5 + 631. i)T^{2} \)
5 \( 1 + (189. - 109. i)T + (7.81e3 - 1.35e4i)T^{2} \)
11 \( 1 + (-168. + 292. i)T + (-8.85e5 - 1.53e6i)T^{2} \)
13 \( 1 + 2.48e3iT - 4.82e6T^{2} \)
17 \( 1 + (-5.15e3 - 2.97e3i)T + (1.20e7 + 2.09e7i)T^{2} \)
19 \( 1 + (1.60e3 - 929. i)T + (2.35e7 - 4.07e7i)T^{2} \)
23 \( 1 + (-5.19e3 - 8.99e3i)T + (-7.40e7 + 1.28e8i)T^{2} \)
29 \( 1 + 137.T + 5.94e8T^{2} \)
31 \( 1 + (2.09e4 + 1.20e4i)T + (4.43e8 + 7.68e8i)T^{2} \)
37 \( 1 + (-3.74e4 - 6.48e4i)T + (-1.28e9 + 2.22e9i)T^{2} \)
41 \( 1 + 1.30e4iT - 4.75e9T^{2} \)
43 \( 1 + 9.10e4T + 6.32e9T^{2} \)
47 \( 1 + (4.16e4 - 2.40e4i)T + (5.38e9 - 9.33e9i)T^{2} \)
53 \( 1 + (4.80e4 - 8.32e4i)T + (-1.10e10 - 1.91e10i)T^{2} \)
59 \( 1 + (-1.42e5 - 8.24e4i)T + (2.10e10 + 3.65e10i)T^{2} \)
61 \( 1 + (-1.07e5 + 6.18e4i)T + (2.57e10 - 4.46e10i)T^{2} \)
67 \( 1 + (2.37e5 - 4.10e5i)T + (-4.52e10 - 7.83e10i)T^{2} \)
71 \( 1 - 4.44e5T + 1.28e11T^{2} \)
73 \( 1 + (-4.50e5 - 2.60e5i)T + (7.56e10 + 1.31e11i)T^{2} \)
79 \( 1 + (9.70e4 + 1.68e5i)T + (-1.21e11 + 2.10e11i)T^{2} \)
83 \( 1 + 1.31e3iT - 3.26e11T^{2} \)
89 \( 1 + (1.96e5 - 1.13e5i)T + (2.48e11 - 4.30e11i)T^{2} \)
97 \( 1 + 4.70e5iT - 8.32e11T^{2} \)
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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

−14.74254701483261970221706749865, −12.69338037104057298051262100689, −11.71827273438220607997055899024, −11.15502069381180979427834484059, −10.21685212449913466118606731938, −7.972554697502068079463938704783, −6.79783814678766457062568431506, −5.61648191739114222315905892379, −3.27761826627561727562286424894, −0.968072328599264831642434536656, 0.26403027857341565257887844818, 3.85368737976034441716735069954, 5.03759645575056309188731267851, 6.79013923741720417728226837543, 8.017842815624633022819399318492, 9.265881709903614518101850146290, 11.13012720588559670948190091054, 11.84771245033083375652258521741, 12.54855227787921063976510793691, 14.84545055943486013938719952099

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