Properties

Label 2-7e2-7.4-c9-0-26
Degree $2$
Conductor $49$
Sign $-0.605 - 0.795i$
Analytic cond. $25.2367$
Root an. cond. $5.02361$
Motivic weight $9$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−5.44 − 9.43i)2-s + (97.9 − 169. i)3-s + (196. − 340. i)4-s + (−100. − 173. i)5-s − 2.13e3·6-s − 9.86e3·8-s + (−9.33e3 − 1.61e4i)9-s + (−1.09e3 + 1.89e3i)10-s + (−3.19e4 + 5.53e4i)11-s + (−3.85e4 − 6.67e4i)12-s − 1.64e5·13-s − 3.93e4·15-s + (−4.69e4 − 8.13e4i)16-s + (1.81e5 − 3.14e5i)17-s + (−1.01e5 + 1.76e5i)18-s + (2.18e5 + 3.78e5i)19-s + ⋯
L(s)  = 1  + (−0.240 − 0.416i)2-s + (0.697 − 1.20i)3-s + (0.384 − 0.665i)4-s + (−0.0718 − 0.124i)5-s − 0.671·6-s − 0.851·8-s + (−0.474 − 0.821i)9-s + (−0.0345 + 0.0598i)10-s + (−0.657 + 1.13i)11-s + (−0.536 − 0.928i)12-s − 1.59·13-s − 0.200·15-s + (−0.179 − 0.310i)16-s + (0.526 − 0.912i)17-s + (−0.228 + 0.395i)18-s + (0.384 + 0.665i)19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.605 - 0.795i)\, \overline{\Lambda}(10-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s+9/2) \, L(s)\cr =\mathstrut & (-0.605 - 0.795i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(49\)    =    \(7^{2}\)
Sign: $-0.605 - 0.795i$
Analytic conductor: \(25.2367\)
Root analytic conductor: \(5.02361\)
Motivic weight: \(9\)
Rational: no
Arithmetic: yes
Character: $\chi_{49} (18, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 49,\ (\ :9/2),\ -0.605 - 0.795i)\)

Particular Values

\(L(5)\) \(\approx\) \(0.489983 + 0.988413i\)
\(L(\frac12)\) \(\approx\) \(0.489983 + 0.988413i\)
\(L(\frac{11}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 \)
good2 \( 1 + (5.44 + 9.43i)T + (-256 + 443. i)T^{2} \)
3 \( 1 + (-97.9 + 169. i)T + (-9.84e3 - 1.70e4i)T^{2} \)
5 \( 1 + (100. + 173. i)T + (-9.76e5 + 1.69e6i)T^{2} \)
11 \( 1 + (3.19e4 - 5.53e4i)T + (-1.17e9 - 2.04e9i)T^{2} \)
13 \( 1 + 1.64e5T + 1.06e10T^{2} \)
17 \( 1 + (-1.81e5 + 3.14e5i)T + (-5.92e10 - 1.02e11i)T^{2} \)
19 \( 1 + (-2.18e5 - 3.78e5i)T + (-1.61e11 + 2.79e11i)T^{2} \)
23 \( 1 + (4.59e5 + 7.95e5i)T + (-9.00e11 + 1.55e12i)T^{2} \)
29 \( 1 + 3.68e6T + 1.45e13T^{2} \)
31 \( 1 + (1.73e6 - 3.01e6i)T + (-1.32e13 - 2.28e13i)T^{2} \)
37 \( 1 + (9.40e6 + 1.62e7i)T + (-6.49e13 + 1.12e14i)T^{2} \)
41 \( 1 - 2.40e6T + 3.27e14T^{2} \)
43 \( 1 + 1.25e7T + 5.02e14T^{2} \)
47 \( 1 + (-2.77e7 - 4.80e7i)T + (-5.59e14 + 9.69e14i)T^{2} \)
53 \( 1 + (-4.63e7 + 8.02e7i)T + (-1.64e15 - 2.85e15i)T^{2} \)
59 \( 1 + (-1.26e7 + 2.18e7i)T + (-4.33e15 - 7.50e15i)T^{2} \)
61 \( 1 + (3.46e7 + 6.00e7i)T + (-5.84e15 + 1.01e16i)T^{2} \)
67 \( 1 + (-1.16e7 + 2.02e7i)T + (-1.36e16 - 2.35e16i)T^{2} \)
71 \( 1 + 1.06e8T + 4.58e16T^{2} \)
73 \( 1 + (-1.05e8 + 1.81e8i)T + (-2.94e16 - 5.09e16i)T^{2} \)
79 \( 1 + (-7.48e4 - 1.29e5i)T + (-5.99e16 + 1.03e17i)T^{2} \)
83 \( 1 - 5.21e8T + 1.86e17T^{2} \)
89 \( 1 + (1.49e8 + 2.58e8i)T + (-1.75e17 + 3.03e17i)T^{2} \)
97 \( 1 + 8.95e8T + 7.60e17T^{2} \)
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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

−12.56911607054275040004760645531, −12.12240972073449219113297379338, −10.36987243383678894063518937897, −9.372957175237167296109568909389, −7.72092201505405386712429107995, −6.95353120416222737158720790057, −5.17348249050244173284276165007, −2.64257729739868071303102500115, −1.84887203982069209044533277961, −0.32795095099648580468296351328, 2.72598755066827369895658914748, 3.68227328924098557085593796683, 5.40175156404256909149199361206, 7.29714291625538955303201993726, 8.391144789642605311606394165559, 9.455018600363689200053130922008, 10.65151841200742819114996932645, 11.96112189349952883404458716890, 13.42802672478317891311411813212, 14.90453651556493573309171064487

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