Properties

Label 2-387-43.9-c1-0-8
Degree $2$
Conductor $387$
Sign $-0.589 - 0.807i$
Analytic cond. $3.09021$
Root an. cond. $1.75789$
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  + (1.44 + 1.80i)2-s + (−0.745 + 3.26i)4-s + (2.09 + 1.43i)5-s + (−1.09 + 1.89i)7-s + (−2.80 + 1.35i)8-s + (0.438 + 5.85i)10-s + (−0.694 − 3.04i)11-s + (0.257 − 3.43i)13-s + (−5.00 + 0.753i)14-s + (−0.462 − 0.222i)16-s + (1.92 − 1.31i)17-s + (−3.23 + 0.996i)19-s + (−6.23 + 5.78i)20-s + (4.50 − 5.64i)22-s + (−4.82 + 4.47i)23-s + ⋯
L(s)  = 1  + (1.01 + 1.27i)2-s + (−0.372 + 1.63i)4-s + (0.938 + 0.639i)5-s + (−0.413 + 0.715i)7-s + (−0.993 + 0.478i)8-s + (0.138 + 1.85i)10-s + (−0.209 − 0.917i)11-s + (0.0713 − 0.951i)13-s + (−1.33 + 0.201i)14-s + (−0.115 − 0.0557i)16-s + (0.467 − 0.318i)17-s + (−0.741 + 0.228i)19-s + (−1.39 + 1.29i)20-s + (0.959 − 1.20i)22-s + (−1.00 + 0.933i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.589 - 0.807i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.589 - 0.807i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(387\)    =    \(3^{2} \cdot 43\)
Sign: $-0.589 - 0.807i$
Analytic conductor: \(3.09021\)
Root analytic conductor: \(1.75789\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{387} (181, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 387,\ (\ :1/2),\ -0.589 - 0.807i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.10798 + 2.18066i\)
\(L(\frac12)\) \(\approx\) \(1.10798 + 2.18066i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
43 \( 1 + (-6.03 + 2.55i)T \)
good2 \( 1 + (-1.44 - 1.80i)T + (-0.445 + 1.94i)T^{2} \)
5 \( 1 + (-2.09 - 1.43i)T + (1.82 + 4.65i)T^{2} \)
7 \( 1 + (1.09 - 1.89i)T + (-3.5 - 6.06i)T^{2} \)
11 \( 1 + (0.694 + 3.04i)T + (-9.91 + 4.77i)T^{2} \)
13 \( 1 + (-0.257 + 3.43i)T + (-12.8 - 1.93i)T^{2} \)
17 \( 1 + (-1.92 + 1.31i)T + (6.21 - 15.8i)T^{2} \)
19 \( 1 + (3.23 - 0.996i)T + (15.6 - 10.7i)T^{2} \)
23 \( 1 + (4.82 - 4.47i)T + (1.71 - 22.9i)T^{2} \)
29 \( 1 + (-5.34 + 0.806i)T + (27.7 - 8.54i)T^{2} \)
31 \( 1 + (-0.778 + 1.98i)T + (-22.7 - 21.0i)T^{2} \)
37 \( 1 + (1.73 + 3.01i)T + (-18.5 + 32.0i)T^{2} \)
41 \( 1 + (1.33 + 1.66i)T + (-9.12 + 39.9i)T^{2} \)
47 \( 1 + (0.260 - 1.14i)T + (-42.3 - 20.3i)T^{2} \)
53 \( 1 + (0.777 + 10.3i)T + (-52.4 + 7.89i)T^{2} \)
59 \( 1 + (-5.53 - 2.66i)T + (36.7 + 46.1i)T^{2} \)
61 \( 1 + (-0.913 - 2.32i)T + (-44.7 + 41.4i)T^{2} \)
67 \( 1 + (-9.87 + 3.04i)T + (55.3 - 37.7i)T^{2} \)
71 \( 1 + (8.30 + 7.70i)T + (5.30 + 70.8i)T^{2} \)
73 \( 1 + (-0.624 + 8.33i)T + (-72.1 - 10.8i)T^{2} \)
79 \( 1 + (4.90 - 8.50i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 + (-2.83 - 0.427i)T + (79.3 + 24.4i)T^{2} \)
89 \( 1 + (14.8 + 2.23i)T + (85.0 + 26.2i)T^{2} \)
97 \( 1 + (-0.939 - 4.11i)T + (-87.3 + 42.0i)T^{2} \)
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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

−12.00792028460764213260636713982, −10.65016352698630265232986709033, −9.816234738827523537895749075523, −8.547089275898775310741246912342, −7.71142138486693966777817482967, −6.49866996883573397896142437592, −5.88494493298193865606580962534, −5.34670757777242922147080321638, −3.72530625347663056994933530088, −2.62885444145153024080092698212, 1.45048726503893462755219099394, 2.52188884025354957203579629952, 4.06588498297651542229841220709, 4.69696193450130653126572599670, 5.86161224896771440828966206054, 6.92058565293717674121442506731, 8.509007676695194931492308897609, 9.799769277372258913168777950021, 10.09635104597292242468191844243, 11.06264589808943899004302208963

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