Properties

Label 2-7e2-49.36-c3-0-9
Degree $2$
Conductor $49$
Sign $-0.656 + 0.753i$
Analytic cond. $2.89109$
Root an. cond. $1.70032$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−0.846 − 3.71i)2-s + (3.04 + 3.82i)3-s + (−5.84 + 2.81i)4-s + (−12.1 − 15.1i)5-s + (11.6 − 14.5i)6-s + (13.1 − 13.0i)7-s + (−3.59 − 4.51i)8-s + (0.689 − 3.02i)9-s + (−46.0 + 57.7i)10-s + (3.84 + 16.8i)11-s + (−28.5 − 13.7i)12-s + (6.63 + 29.0i)13-s + (−59.4 − 37.8i)14-s + (21.1 − 92.5i)15-s + (−46.0 + 57.7i)16-s + (30.1 + 14.4i)17-s + ⋯
L(s)  = 1  + (−0.299 − 1.31i)2-s + (0.586 + 0.735i)3-s + (−0.730 + 0.351i)4-s + (−1.08 − 1.35i)5-s + (0.789 − 0.989i)6-s + (0.711 − 0.703i)7-s + (−0.159 − 0.199i)8-s + (0.0255 − 0.111i)9-s + (−1.45 + 1.82i)10-s + (0.105 + 0.462i)11-s + (−0.686 − 0.330i)12-s + (0.141 + 0.620i)13-s + (−1.13 − 0.722i)14-s + (0.363 − 1.59i)15-s + (−0.719 + 0.901i)16-s + (0.429 + 0.206i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.656 + 0.753i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 49 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.656 + 0.753i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(49\)    =    \(7^{2}\)
Sign: $-0.656 + 0.753i$
Analytic conductor: \(2.89109\)
Root analytic conductor: \(1.70032\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{49} (36, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 49,\ (\ :3/2),\ -0.656 + 0.753i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.506240 - 1.11257i\)
\(L(\frac12)\) \(\approx\) \(0.506240 - 1.11257i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + (-13.1 + 13.0i)T \)
good2 \( 1 + (0.846 + 3.71i)T + (-7.20 + 3.47i)T^{2} \)
3 \( 1 + (-3.04 - 3.82i)T + (-6.00 + 26.3i)T^{2} \)
5 \( 1 + (12.1 + 15.1i)T + (-27.8 + 121. i)T^{2} \)
11 \( 1 + (-3.84 - 16.8i)T + (-1.19e3 + 577. i)T^{2} \)
13 \( 1 + (-6.63 - 29.0i)T + (-1.97e3 + 953. i)T^{2} \)
17 \( 1 + (-30.1 - 14.4i)T + (3.06e3 + 3.84e3i)T^{2} \)
19 \( 1 - 122.T + 6.85e3T^{2} \)
23 \( 1 + (-35.7 + 17.2i)T + (7.58e3 - 9.51e3i)T^{2} \)
29 \( 1 + (257. + 123. i)T + (1.52e4 + 1.90e4i)T^{2} \)
31 \( 1 - 61.6T + 2.97e4T^{2} \)
37 \( 1 + (-34.5 - 16.6i)T + (3.15e4 + 3.96e4i)T^{2} \)
41 \( 1 + (-312. - 392. i)T + (-1.53e4 + 6.71e4i)T^{2} \)
43 \( 1 + (51.8 - 65.0i)T + (-1.76e4 - 7.75e4i)T^{2} \)
47 \( 1 + (5.83 + 25.5i)T + (-9.35e4 + 4.50e4i)T^{2} \)
53 \( 1 + (-386. + 186. i)T + (9.28e4 - 1.16e5i)T^{2} \)
59 \( 1 + (-106. + 133. i)T + (-4.57e4 - 2.00e5i)T^{2} \)
61 \( 1 + (542. + 261. i)T + (1.41e5 + 1.77e5i)T^{2} \)
67 \( 1 + 606.T + 3.00e5T^{2} \)
71 \( 1 + (278. - 134. i)T + (2.23e5 - 2.79e5i)T^{2} \)
73 \( 1 + (-0.148 + 0.649i)T + (-3.50e5 - 1.68e5i)T^{2} \)
79 \( 1 - 50.9T + 4.93e5T^{2} \)
83 \( 1 + (221. - 971. i)T + (-5.15e5 - 2.48e5i)T^{2} \)
89 \( 1 + (-225. + 990. i)T + (-6.35e5 - 3.05e5i)T^{2} \)
97 \( 1 + 66.6T + 9.12e5T^{2} \)
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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

−14.76512167571327788312277657428, −13.20841247423239901578917383912, −12.01233837969439479775345053304, −11.32730063059975394581687665645, −9.809077497695486209314999676794, −9.018623589136625920129435702164, −7.73876752623476622145641675936, −4.55605938806176445449520601409, −3.68104497269954436237226583695, −1.10804864689591873558878203515, 2.95864251067986166921099800424, 5.64326812601593093925728726923, 7.37925894557135344388439476074, 7.58799083354713669382174051099, 8.798731871972643702974575570786, 10.96061712775719592463977194760, 11.98923494494672745489457433986, 13.85387488778937149830029465703, 14.65680763014012542218295647289, 15.36963119365509025879094473013

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