Properties

Label 2-684-228.227-c2-0-2
Degree $2$
Conductor $684$
Sign $-0.363 - 0.931i$
Analytic cond. $18.6376$
Root an. cond. $4.31713$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−1.88 − 0.663i)2-s + (3.12 + 2.50i)4-s + 0.647i·5-s − 4.63i·7-s + (−4.22 − 6.79i)8-s + (0.429 − 1.22i)10-s − 14.8·11-s − 22.0i·13-s + (−3.07 + 8.73i)14-s + (3.46 + 15.6i)16-s + 18.9i·17-s + (1.76 + 18.9i)19-s + (−1.61 + 2.01i)20-s + (28.0 + 9.87i)22-s + 13.7·23-s + ⋯
L(s)  = 1  + (−0.943 − 0.331i)2-s + (0.780 + 0.625i)4-s + 0.129i·5-s − 0.661i·7-s + (−0.528 − 0.849i)8-s + (0.0429 − 0.122i)10-s − 1.35·11-s − 1.69i·13-s + (−0.219 + 0.624i)14-s + (0.216 + 0.976i)16-s + 1.11i·17-s + (0.0928 + 0.995i)19-s + (−0.0809 + 0.100i)20-s + (1.27 + 0.448i)22-s + 0.596·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.363 - 0.931i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.363 - 0.931i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $-0.363 - 0.931i$
Analytic conductor: \(18.6376\)
Root analytic conductor: \(4.31713\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{684} (683, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 684,\ (\ :1),\ -0.363 - 0.931i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.3166481329\)
\(L(\frac12)\) \(\approx\) \(0.3166481329\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.88 + 0.663i)T \)
3 \( 1 \)
19 \( 1 + (-1.76 - 18.9i)T \)
good5 \( 1 - 0.647iT - 25T^{2} \)
7 \( 1 + 4.63iT - 49T^{2} \)
11 \( 1 + 14.8T + 121T^{2} \)
13 \( 1 + 22.0iT - 169T^{2} \)
17 \( 1 - 18.9iT - 289T^{2} \)
23 \( 1 - 13.7T + 529T^{2} \)
29 \( 1 + 21.8T + 841T^{2} \)
31 \( 1 + 19.3T + 961T^{2} \)
37 \( 1 - 31.3iT - 1.36e3T^{2} \)
41 \( 1 + 38.1T + 1.68e3T^{2} \)
43 \( 1 - 32.1iT - 1.84e3T^{2} \)
47 \( 1 + 75.4T + 2.20e3T^{2} \)
53 \( 1 - 60.7T + 2.80e3T^{2} \)
59 \( 1 - 113. iT - 3.48e3T^{2} \)
61 \( 1 + 106.T + 3.72e3T^{2} \)
67 \( 1 + 25.0T + 4.48e3T^{2} \)
71 \( 1 + 67.2iT - 5.04e3T^{2} \)
73 \( 1 - 99.5T + 5.32e3T^{2} \)
79 \( 1 + 84.4T + 6.24e3T^{2} \)
83 \( 1 + 92.6T + 6.88e3T^{2} \)
89 \( 1 - 120.T + 7.92e3T^{2} \)
97 \( 1 - 140. iT - 9.40e3T^{2} \)
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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

−10.50698447728420142993955512237, −10.00838428422325334598635398998, −8.710957528338234278197573063576, −7.921477134220985877960386253594, −7.46896194861388935831346159357, −6.24082280140292083135388039330, −5.20610808544668626188692552405, −3.62243184023537600571400988617, −2.78998247983125016796121133679, −1.27678033821042419561225771445, 0.15826844873780730405706220928, 1.93214943086181240429288854614, 2.89632010348857039483146904923, 4.83525626898826979517949384125, 5.50294963247153435717391520422, 6.82217858384424803814135814550, 7.28527758042851174535228949312, 8.489227447029658014597251053041, 9.110183065667905603387965527769, 9.719542653707296493826359377261

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