Properties

Label 2-7e2-49.15-c5-0-13
Degree $2$
Conductor $49$
Sign $0.573 - 0.819i$
Analytic cond. $7.85880$
Root an. cond. $2.80335$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−2.16 + 9.50i)2-s + (3.54 − 4.44i)3-s + (−56.7 − 27.3i)4-s + (48.6 − 60.9i)5-s + (34.5 + 43.3i)6-s + (128. − 16.4i)7-s + (188. − 236. i)8-s + (46.8 + 205. i)9-s + (474. + 594. i)10-s + (137. − 603. i)11-s + (−323. + 155. i)12-s + (26.6 − 116. i)13-s + (−122. + 1.25e3i)14-s + (−98.7 − 432. i)15-s + (581. + 729. i)16-s + (−974. + 469. i)17-s + ⋯
L(s)  = 1  + (−0.383 + 1.68i)2-s + (0.227 − 0.285i)3-s + (−1.77 − 0.854i)4-s + (0.869 − 1.09i)5-s + (0.392 + 0.491i)6-s + (0.991 − 0.127i)7-s + (1.04 − 1.30i)8-s + (0.192 + 0.845i)9-s + (1.49 + 1.88i)10-s + (0.343 − 1.50i)11-s + (−0.647 + 0.311i)12-s + (0.0437 − 0.191i)13-s + (−0.166 + 1.71i)14-s + (−0.113 − 0.496i)15-s + (0.567 + 0.711i)16-s + (−0.817 + 0.393i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.573 - 0.819i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (0.573 - 0.819i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(49\)    =    \(7^{2}\)
Sign: $0.573 - 0.819i$
Analytic conductor: \(7.85880\)
Root analytic conductor: \(2.80335\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{49} (15, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 49,\ (\ :5/2),\ 0.573 - 0.819i)\)

Particular Values

\(L(3)\) \(\approx\) \(1.50028 + 0.781426i\)
\(L(\frac12)\) \(\approx\) \(1.50028 + 0.781426i\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + (-128. + 16.4i)T \)
good2 \( 1 + (2.16 - 9.50i)T + (-28.8 - 13.8i)T^{2} \)
3 \( 1 + (-3.54 + 4.44i)T + (-54.0 - 236. i)T^{2} \)
5 \( 1 + (-48.6 + 60.9i)T + (-695. - 3.04e3i)T^{2} \)
11 \( 1 + (-137. + 603. i)T + (-1.45e5 - 6.98e4i)T^{2} \)
13 \( 1 + (-26.6 + 116. i)T + (-3.34e5 - 1.61e5i)T^{2} \)
17 \( 1 + (974. - 469. i)T + (8.85e5 - 1.11e6i)T^{2} \)
19 \( 1 - 1.60e3T + 2.47e6T^{2} \)
23 \( 1 + (-3.86e3 - 1.86e3i)T + (4.01e6 + 5.03e6i)T^{2} \)
29 \( 1 + (-1.11e3 + 536. i)T + (1.27e7 - 1.60e7i)T^{2} \)
31 \( 1 + 8.69e3T + 2.86e7T^{2} \)
37 \( 1 + (-1.03e4 + 4.97e3i)T + (4.32e7 - 5.42e7i)T^{2} \)
41 \( 1 + (3.66e3 - 4.59e3i)T + (-2.57e7 - 1.12e8i)T^{2} \)
43 \( 1 + (6.62e3 + 8.30e3i)T + (-3.27e7 + 1.43e8i)T^{2} \)
47 \( 1 + (977. - 4.28e3i)T + (-2.06e8 - 9.95e7i)T^{2} \)
53 \( 1 + (1.00e4 + 4.82e3i)T + (2.60e8 + 3.26e8i)T^{2} \)
59 \( 1 + (-9.67e3 - 1.21e4i)T + (-1.59e8 + 6.96e8i)T^{2} \)
61 \( 1 + (2.91e4 - 1.40e4i)T + (5.26e8 - 6.60e8i)T^{2} \)
67 \( 1 + 2.27e4T + 1.35e9T^{2} \)
71 \( 1 + (2.41e4 + 1.16e4i)T + (1.12e9 + 1.41e9i)T^{2} \)
73 \( 1 + (1.07e4 + 4.70e4i)T + (-1.86e9 + 8.99e8i)T^{2} \)
79 \( 1 + 4.98e4T + 3.07e9T^{2} \)
83 \( 1 + (-2.32e4 - 1.01e5i)T + (-3.54e9 + 1.70e9i)T^{2} \)
89 \( 1 + (5.56e3 + 2.43e4i)T + (-5.03e9 + 2.42e9i)T^{2} \)
97 \( 1 - 1.87e4T + 8.58e9T^{2} \)
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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

−14.82968984779521214195700997726, −13.70410198854741017690169149704, −13.28998581407968487510367981267, −11.07116080964285280264141208721, −9.195147886937372297199024960826, −8.510101562047859367009412238232, −7.44173948475187167846937811213, −5.76366451298088654249921518068, −4.94638838587667402085443035768, −1.20463946638994245542349874541, 1.61302542277438407297879882807, 2.87631546896737626407775546176, 4.55892007568941649335757572426, 6.97668146720370095406576866809, 9.071295534564281959233485267448, 9.786307736001879710859096631331, 10.84171278591283763474294966787, 11.77024091864341498691461390467, 12.98717663635765523229962784231, 14.34351453449582813532608406459

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