Properties

Label 2-76-4.3-c4-0-13
Degree $2$
Conductor $76$
Sign $0.557 - 0.830i$
Analytic cond. $7.85611$
Root an. cond. $2.80287$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−3.82 − 1.16i)2-s + 9.98i·3-s + (13.2 + 8.91i)4-s + 35.6·5-s + (11.6 − 38.2i)6-s − 14.7i·7-s + (−40.4 − 49.6i)8-s − 18.7·9-s + (−136. − 41.5i)10-s + 42.5i·11-s + (−89.0 + 132. i)12-s + 173.·13-s + (−17.2 + 56.5i)14-s + 355. i·15-s + (96.9 + 236. i)16-s + 90.6·17-s + ⋯
L(s)  = 1  + (−0.956 − 0.291i)2-s + 1.10i·3-s + (0.830 + 0.557i)4-s + 1.42·5-s + (0.323 − 1.06i)6-s − 0.301i·7-s + (−0.631 − 0.775i)8-s − 0.231·9-s + (−1.36 − 0.415i)10-s + 0.351i·11-s + (−0.618 + 0.921i)12-s + 1.02·13-s + (−0.0878 + 0.288i)14-s + 1.58i·15-s + (0.378 + 0.925i)16-s + 0.313·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 76 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.557 - 0.830i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 76 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (0.557 - 0.830i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(76\)    =    \(2^{2} \cdot 19\)
Sign: $0.557 - 0.830i$
Analytic conductor: \(7.85611\)
Root analytic conductor: \(2.80287\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{76} (39, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 76,\ (\ :2),\ 0.557 - 0.830i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(1.25315 + 0.668123i\)
\(L(\frac12)\) \(\approx\) \(1.25315 + 0.668123i\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (3.82 + 1.16i)T \)
19 \( 1 + 82.8iT \)
good3 \( 1 - 9.98iT - 81T^{2} \)
5 \( 1 - 35.6T + 625T^{2} \)
7 \( 1 + 14.7iT - 2.40e3T^{2} \)
11 \( 1 - 42.5iT - 1.46e4T^{2} \)
13 \( 1 - 173.T + 2.85e4T^{2} \)
17 \( 1 - 90.6T + 8.35e4T^{2} \)
23 \( 1 - 542. iT - 2.79e5T^{2} \)
29 \( 1 + 624.T + 7.07e5T^{2} \)
31 \( 1 - 1.35e3iT - 9.23e5T^{2} \)
37 \( 1 + 716.T + 1.87e6T^{2} \)
41 \( 1 - 268.T + 2.82e6T^{2} \)
43 \( 1 + 1.11e3iT - 3.41e6T^{2} \)
47 \( 1 + 3.63e3iT - 4.87e6T^{2} \)
53 \( 1 + 4.64e3T + 7.89e6T^{2} \)
59 \( 1 + 3.78e3iT - 1.21e7T^{2} \)
61 \( 1 - 7.08e3T + 1.38e7T^{2} \)
67 \( 1 - 1.30e3iT - 2.01e7T^{2} \)
71 \( 1 + 1.95e3iT - 2.54e7T^{2} \)
73 \( 1 - 494.T + 2.83e7T^{2} \)
79 \( 1 - 1.05e4iT - 3.89e7T^{2} \)
83 \( 1 + 8.71e3iT - 4.74e7T^{2} \)
89 \( 1 + 1.11e4T + 6.27e7T^{2} \)
97 \( 1 - 8.56e3T + 8.85e7T^{2} \)
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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

−13.94616916733522401951349610490, −12.81343544432168892759985802687, −11.19160186545509221875321484269, −10.26851831452986693311813121023, −9.657042584915688575837575225762, −8.721635514953998791519712251762, −6.94798540582599444004496063581, −5.48102681696296370929145544848, −3.55648269515268295051698184240, −1.63905508308086795866472020218, 1.14859047092395146361811970087, 2.31336412242529499784131073114, 5.82690783149825150206650942456, 6.42618195721123740255412505664, 7.81417066921920616396644966570, 8.965152219356338940368560741057, 10.03132692017893272792628082781, 11.22288604941945083127807482492, 12.62500733352037232065907403339, 13.58169319158528519169940320209

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