Properties

Label 2-7e2-7.2-c11-0-26
Degree $2$
Conductor $49$
Sign $0.701 + 0.712i$
Analytic cond. $37.6488$
Root an. cond. $6.13586$
Motivic weight $11$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (12 − 20.7i)2-s + (126 + 218. i)3-s + (736 + 1.27e3i)4-s + (2.41e3 − 4.18e3i)5-s + 6.04e3·6-s + 8.44e4·8-s + (5.68e4 − 9.84e4i)9-s + (−5.79e4 − 1.00e5i)10-s + (−2.67e5 − 4.62e5i)11-s + (−1.85e5 + 3.21e5i)12-s + 5.77e5·13-s + 1.21e6·15-s + (−4.93e5 + 8.54e5i)16-s + (−3.45e6 − 5.98e6i)17-s + (−1.36e6 − 2.36e6i)18-s + (5.33e6 − 9.23e6i)19-s + ⋯
L(s)  = 1  + (0.265 − 0.459i)2-s + (0.299 + 0.518i)3-s + (0.359 + 0.622i)4-s + (0.345 − 0.598i)5-s + 0.317·6-s + 0.911·8-s + (0.320 − 0.555i)9-s + (−0.183 − 0.317i)10-s + (−0.500 − 0.866i)11-s + (−0.215 + 0.372i)12-s + 0.431·13-s + 0.413·15-s + (−0.117 + 0.203i)16-s + (−0.589 − 1.02i)17-s + (−0.170 − 0.294i)18-s + (0.493 − 0.855i)19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.701 + 0.712i)\, \overline{\Lambda}(12-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s+11/2) \, L(s)\cr =\mathstrut & (0.701 + 0.712i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(49\)    =    \(7^{2}\)
Sign: $0.701 + 0.712i$
Analytic conductor: \(37.6488\)
Root analytic conductor: \(6.13586\)
Motivic weight: \(11\)
Rational: no
Arithmetic: yes
Character: $\chi_{49} (30, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 49,\ (\ :11/2),\ 0.701 + 0.712i)\)

Particular Values

\(L(6)\) \(\approx\) \(3.03384 - 1.27143i\)
\(L(\frac12)\) \(\approx\) \(3.03384 - 1.27143i\)
\(L(\frac{13}{2})\) 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 \( 1 + (-12 + 20.7i)T + (-1.02e3 - 1.77e3i)T^{2} \)
3 \( 1 + (-126 - 218. i)T + (-8.85e4 + 1.53e5i)T^{2} \)
5 \( 1 + (-2.41e3 + 4.18e3i)T + (-2.44e7 - 4.22e7i)T^{2} \)
11 \( 1 + (2.67e5 + 4.62e5i)T + (-1.42e11 + 2.47e11i)T^{2} \)
13 \( 1 - 5.77e5T + 1.79e12T^{2} \)
17 \( 1 + (3.45e6 + 5.98e6i)T + (-1.71e13 + 2.96e13i)T^{2} \)
19 \( 1 + (-5.33e6 + 9.23e6i)T + (-5.82e13 - 1.00e14i)T^{2} \)
23 \( 1 + (9.32e6 - 1.61e7i)T + (-4.76e14 - 8.25e14i)T^{2} \)
29 \( 1 - 1.28e8T + 1.22e16T^{2} \)
31 \( 1 + (2.64e7 + 4.57e7i)T + (-1.27e16 + 2.20e16i)T^{2} \)
37 \( 1 + (-9.11e7 + 1.57e8i)T + (-8.89e16 - 1.54e17i)T^{2} \)
41 \( 1 + 3.08e8T + 5.50e17T^{2} \)
43 \( 1 + 1.71e7T + 9.29e17T^{2} \)
47 \( 1 + (-1.34e9 + 2.32e9i)T + (-1.23e18 - 2.14e18i)T^{2} \)
53 \( 1 + (-7.98e8 - 1.38e9i)T + (-4.63e18 + 8.02e18i)T^{2} \)
59 \( 1 + (2.59e9 + 4.49e9i)T + (-1.50e19 + 2.61e19i)T^{2} \)
61 \( 1 + (-3.47e9 + 6.02e9i)T + (-2.17e19 - 3.76e19i)T^{2} \)
67 \( 1 + (-7.74e9 - 1.34e10i)T + (-6.10e19 + 1.05e20i)T^{2} \)
71 \( 1 - 9.79e9T + 2.31e20T^{2} \)
73 \( 1 + (-7.31e8 - 1.26e9i)T + (-1.56e20 + 2.71e20i)T^{2} \)
79 \( 1 + (1.90e10 - 3.30e10i)T + (-3.73e20 - 6.47e20i)T^{2} \)
83 \( 1 - 2.93e10T + 1.28e21T^{2} \)
89 \( 1 + (1.24e10 - 2.16e10i)T + (-1.38e21 - 2.40e21i)T^{2} \)
97 \( 1 + 7.50e10T + 7.15e21T^{2} \)
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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

−13.11652284482993564658038988533, −11.89659023202240636566138197641, −10.86739919228157851379995069197, −9.464609138985420190652111133750, −8.425552420259511262657977813724, −6.90012787818593900548102645527, −5.10083608107666506593453654550, −3.76003447954918115558626209742, −2.63266405292909951432822305995, −0.900005096472230294746675404874, 1.43981670022813946246416561018, 2.44655220540359277797802574558, 4.58666803203367537256189073990, 6.07292621766043728724281557183, 7.02550027721407422630161078079, 8.149083239662200641081063194734, 10.11319766071529462204154800299, 10.71780581200859915008162222552, 12.46723612742482659933225337368, 13.63127373498507838950278919510

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