Properties

Label 2-76-76.23-c4-0-21
Degree $2$
Conductor $76$
Sign $0.878 - 0.477i$
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  + (−3.06 + 2.56i)2-s + (14.2 − 2.52i)3-s + (2.82 − 15.7i)4-s + (−7.84 + 6.58i)5-s + (−37.3 + 44.4i)6-s + (31.3 + 18.0i)7-s + (31.7 + 55.5i)8-s + (121. − 44.3i)9-s + (7.18 − 40.3i)10-s + (20.6 − 11.9i)11-s + (0.718 − 232. i)12-s + (26.5 − 150. i)13-s + (−142. + 24.9i)14-s + (−95.5 + 113. i)15-s + (−240. − 89.0i)16-s + (423. + 154. i)17-s + ⋯
L(s)  = 1  + (−0.767 + 0.641i)2-s + (1.58 − 0.280i)3-s + (0.176 − 0.984i)4-s + (−0.313 + 0.263i)5-s + (−1.03 + 1.23i)6-s + (0.639 + 0.369i)7-s + (0.495 + 0.868i)8-s + (1.50 − 0.547i)9-s + (0.0718 − 0.403i)10-s + (0.170 − 0.0986i)11-s + (0.00499 − 1.61i)12-s + (0.157 − 0.890i)13-s + (−0.727 + 0.127i)14-s + (−0.424 + 0.506i)15-s + (−0.937 − 0.347i)16-s + (1.46 + 0.533i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 76 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.878 - 0.477i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 76 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (0.878 - 0.477i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(76\)    =    \(2^{2} \cdot 19\)
Sign: $0.878 - 0.477i$
Analytic conductor: \(7.85611\)
Root analytic conductor: \(2.80287\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{76} (23, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 76,\ (\ :2),\ 0.878 - 0.477i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(1.92304 + 0.488905i\)
\(L(\frac12)\) \(\approx\) \(1.92304 + 0.488905i\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (3.06 - 2.56i)T \)
19 \( 1 + (-360. + 5.91i)T \)
good3 \( 1 + (-14.2 + 2.52i)T + (76.1 - 27.7i)T^{2} \)
5 \( 1 + (7.84 - 6.58i)T + (108. - 615. i)T^{2} \)
7 \( 1 + (-31.3 - 18.0i)T + (1.20e3 + 2.07e3i)T^{2} \)
11 \( 1 + (-20.6 + 11.9i)T + (7.32e3 - 1.26e4i)T^{2} \)
13 \( 1 + (-26.5 + 150. i)T + (-2.68e4 - 9.76e3i)T^{2} \)
17 \( 1 + (-423. - 154. i)T + (6.39e4 + 5.36e4i)T^{2} \)
23 \( 1 + (149. - 178. i)T + (-4.85e4 - 2.75e5i)T^{2} \)
29 \( 1 + (242. - 88.3i)T + (5.41e5 - 4.54e5i)T^{2} \)
31 \( 1 + (1.23e3 + 714. i)T + (4.61e5 + 7.99e5i)T^{2} \)
37 \( 1 - 1.19e3T + 1.87e6T^{2} \)
41 \( 1 + (-175. - 997. i)T + (-2.65e6 + 9.66e5i)T^{2} \)
43 \( 1 + (1.56e3 + 1.86e3i)T + (-5.93e5 + 3.36e6i)T^{2} \)
47 \( 1 + (-76.6 - 210. i)T + (-3.73e6 + 3.13e6i)T^{2} \)
53 \( 1 + (2.43e3 + 2.04e3i)T + (1.37e6 + 7.77e6i)T^{2} \)
59 \( 1 + (1.77e3 - 4.87e3i)T + (-9.28e6 - 7.78e6i)T^{2} \)
61 \( 1 + (2.41e3 + 2.02e3i)T + (2.40e6 + 1.36e7i)T^{2} \)
67 \( 1 + (1.54e3 + 4.23e3i)T + (-1.54e7 + 1.29e7i)T^{2} \)
71 \( 1 + (-1.43e3 - 1.71e3i)T + (-4.41e6 + 2.50e7i)T^{2} \)
73 \( 1 + (-239. - 1.36e3i)T + (-2.66e7 + 9.71e6i)T^{2} \)
79 \( 1 + (9.95e3 - 1.75e3i)T + (3.66e7 - 1.33e7i)T^{2} \)
83 \( 1 + (9.14e3 + 5.28e3i)T + (2.37e7 + 4.11e7i)T^{2} \)
89 \( 1 + (-2.17e3 + 1.23e4i)T + (-5.89e7 - 2.14e7i)T^{2} \)
97 \( 1 + (-1.33e4 - 4.86e3i)T + (6.78e7 + 5.69e7i)T^{2} \)
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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

−14.34122156207196483555545884934, −13.13449765936772765519248017355, −11.49627160115097055902566495082, −10.03172625309911187345575767747, −9.032699861525955743147130436454, −7.914770320492398637384071574273, −7.53646901070250055937710057130, −5.59343397133416216671077483409, −3.32420927435109086331693925804, −1.57053823374469687204918477349, 1.51972423137069391123102098422, 3.14166259197118259245355499033, 4.32810732840203043821787193056, 7.40254578839306137162833221365, 8.111270966381893013665757029898, 9.173651912356274440752154521902, 9.953161424401094198940908173015, 11.37512222712888205913418490754, 12.49241541095045280856863709881, 13.88862953468105445284441746263

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