Properties

Label 2-690-115.28-c1-0-4
Degree $2$
Conductor $690$
Sign $-0.151 - 0.988i$
Analytic cond. $5.50967$
Root an. cond. $2.34727$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−0.877 + 0.479i)2-s + (0.997 − 0.0713i)3-s + (0.540 − 0.841i)4-s + (2.06 − 0.867i)5-s + (−0.841 + 0.540i)6-s + (−1.60 + 4.30i)7-s + (−0.0713 + 0.997i)8-s + (0.989 − 0.142i)9-s + (−1.39 + 1.74i)10-s + (1.86 + 6.33i)11-s + (0.479 − 0.877i)12-s + (−2.47 + 0.921i)13-s + (−0.654 − 4.55i)14-s + (1.99 − 1.01i)15-s + (−0.415 − 0.909i)16-s + (−5.68 − 1.23i)17-s + ⋯
L(s)  = 1  + (−0.620 + 0.338i)2-s + (0.575 − 0.0411i)3-s + (0.270 − 0.420i)4-s + (0.921 − 0.388i)5-s + (−0.343 + 0.220i)6-s + (−0.607 + 1.62i)7-s + (−0.0252 + 0.352i)8-s + (0.329 − 0.0474i)9-s + (−0.440 + 0.553i)10-s + (0.561 + 1.91i)11-s + (0.138 − 0.253i)12-s + (−0.685 + 0.255i)13-s + (−0.174 − 1.21i)14-s + (0.514 − 0.261i)15-s + (−0.103 − 0.227i)16-s + (−1.37 − 0.299i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.151 - 0.988i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 690 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.151 - 0.988i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(690\)    =    \(2 \cdot 3 \cdot 5 \cdot 23\)
Sign: $-0.151 - 0.988i$
Analytic conductor: \(5.50967\)
Root analytic conductor: \(2.34727\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{690} (373, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 690,\ (\ :1/2),\ -0.151 - 0.988i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.852175 + 0.993164i\)
\(L(\frac12)\) \(\approx\) \(0.852175 + 0.993164i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.877 - 0.479i)T \)
3 \( 1 + (-0.997 + 0.0713i)T \)
5 \( 1 + (-2.06 + 0.867i)T \)
23 \( 1 + (4.35 - 2.01i)T \)
good7 \( 1 + (1.60 - 4.30i)T + (-5.29 - 4.58i)T^{2} \)
11 \( 1 + (-1.86 - 6.33i)T + (-9.25 + 5.94i)T^{2} \)
13 \( 1 + (2.47 - 0.921i)T + (9.82 - 8.51i)T^{2} \)
17 \( 1 + (5.68 + 1.23i)T + (15.4 + 7.06i)T^{2} \)
19 \( 1 + (2.22 + 1.42i)T + (7.89 + 17.2i)T^{2} \)
29 \( 1 + (-1.61 - 2.51i)T + (-12.0 + 26.3i)T^{2} \)
31 \( 1 + (-4.46 - 5.15i)T + (-4.41 + 30.6i)T^{2} \)
37 \( 1 + (-5.71 + 7.63i)T + (-10.4 - 35.5i)T^{2} \)
41 \( 1 + (0.533 - 3.71i)T + (-39.3 - 11.5i)T^{2} \)
43 \( 1 + (0.667 + 9.33i)T + (-42.5 + 6.11i)T^{2} \)
47 \( 1 + (0.431 - 0.431i)T - 47iT^{2} \)
53 \( 1 + (-3.32 - 1.24i)T + (40.0 + 34.7i)T^{2} \)
59 \( 1 + (-6.21 - 2.83i)T + (38.6 + 44.5i)T^{2} \)
61 \( 1 + (-8.79 + 7.62i)T + (8.68 - 60.3i)T^{2} \)
67 \( 1 + (-3.40 - 6.23i)T + (-36.2 + 56.3i)T^{2} \)
71 \( 1 + (-5.72 - 1.68i)T + (59.7 + 38.3i)T^{2} \)
73 \( 1 + (-2.15 - 9.92i)T + (-66.4 + 30.3i)T^{2} \)
79 \( 1 + (-0.0599 + 0.131i)T + (-51.7 - 59.7i)T^{2} \)
83 \( 1 + (-0.922 - 0.690i)T + (23.3 + 79.6i)T^{2} \)
89 \( 1 + (-0.183 + 0.212i)T + (-12.6 - 88.0i)T^{2} \)
97 \( 1 + (-6.96 + 5.21i)T + (27.3 - 93.0i)T^{2} \)
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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

−10.13375783361037291323199659892, −9.614494980582693014246503473130, −9.061615324124951093066688970602, −8.474084400208496981280742980772, −7.03824912353357163746984028657, −6.53684542141371120309234072963, −5.39513556559076811253797742237, −4.45274070663960503597794604171, −2.35151354265694562473435113056, −2.09438719147966862672227329966, 0.76196807934648902351825650925, 2.36100397208298116848432581937, 3.41117712335434460245191495629, 4.32302619951973800812174147821, 6.26230163339586401362625622953, 6.58053845447284344032258044638, 7.83091184068867870944328278553, 8.561278112028348159436031611246, 9.573688257318110745888921855957, 10.15295501288888147471376471045

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