Properties

Label 2-77-77.9-c1-0-4
Degree $2$
Conductor $77$
Sign $0.642 - 0.766i$
Analytic cond. $0.614848$
Root an. cond. $0.784122$
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  + (1.08 + 1.20i)2-s + (0.913 + 0.406i)3-s + (−0.0646 + 0.614i)4-s + (−2.18 − 0.464i)5-s + (0.5 + 1.53i)6-s + (−2.53 − 0.768i)7-s + (1.80 − 1.31i)8-s + (−1.33 − 1.48i)9-s + (−1.80 − 3.13i)10-s + (2.24 + 2.43i)11-s + (−0.309 + 0.535i)12-s + (−1.80 + 5.56i)13-s + (−1.81 − 3.87i)14-s + (−1.80 − 1.31i)15-s + (4.74 + 1.00i)16-s + (2.16 − 2.40i)17-s + ⋯
L(s)  = 1  + (0.765 + 0.850i)2-s + (0.527 + 0.234i)3-s + (−0.0323 + 0.307i)4-s + (−0.978 − 0.207i)5-s + (0.204 + 0.628i)6-s + (−0.956 − 0.290i)7-s + (0.639 − 0.464i)8-s + (−0.446 − 0.495i)9-s + (−0.572 − 0.990i)10-s + (0.677 + 0.735i)11-s + (−0.0892 + 0.154i)12-s + (−0.501 + 1.54i)13-s + (−0.485 − 1.03i)14-s + (−0.467 − 0.339i)15-s + (1.18 + 0.252i)16-s + (0.525 − 0.583i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 77 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.642 - 0.766i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 77 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.642 - 0.766i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(77\)    =    \(7 \cdot 11\)
Sign: $0.642 - 0.766i$
Analytic conductor: \(0.614848\)
Root analytic conductor: \(0.784122\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{77} (9, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 77,\ (\ :1/2),\ 0.642 - 0.766i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.17877 + 0.549838i\)
\(L(\frac12)\) \(\approx\) \(1.17877 + 0.549838i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + (2.53 + 0.768i)T \)
11 \( 1 + (-2.24 - 2.43i)T \)
good2 \( 1 + (-1.08 - 1.20i)T + (-0.209 + 1.98i)T^{2} \)
3 \( 1 + (-0.913 - 0.406i)T + (2.00 + 2.22i)T^{2} \)
5 \( 1 + (2.18 + 0.464i)T + (4.56 + 2.03i)T^{2} \)
13 \( 1 + (1.80 - 5.56i)T + (-10.5 - 7.64i)T^{2} \)
17 \( 1 + (-2.16 + 2.40i)T + (-1.77 - 16.9i)T^{2} \)
19 \( 1 + (0.119 + 1.13i)T + (-18.5 + 3.95i)T^{2} \)
23 \( 1 + (-0.881 + 1.52i)T + (-11.5 - 19.9i)T^{2} \)
29 \( 1 + (-6.35 - 4.61i)T + (8.96 + 27.5i)T^{2} \)
31 \( 1 + (4.28 - 0.911i)T + (28.3 - 12.6i)T^{2} \)
37 \( 1 + (5.56 - 2.47i)T + (24.7 - 27.4i)T^{2} \)
41 \( 1 + (-1.92 + 1.40i)T + (12.6 - 38.9i)T^{2} \)
43 \( 1 - 0.145T + 43T^{2} \)
47 \( 1 + (0.0493 + 0.469i)T + (-45.9 + 9.77i)T^{2} \)
53 \( 1 + (5.95 - 1.26i)T + (48.4 - 21.5i)T^{2} \)
59 \( 1 + (-1.01 + 9.65i)T + (-57.7 - 12.2i)T^{2} \)
61 \( 1 + (-10.7 - 2.27i)T + (55.7 + 24.8i)T^{2} \)
67 \( 1 + (4.19 + 7.25i)T + (-33.5 + 58.0i)T^{2} \)
71 \( 1 + (-0.236 - 0.726i)T + (-57.4 + 41.7i)T^{2} \)
73 \( 1 + (1.13 - 10.7i)T + (-71.4 - 15.1i)T^{2} \)
79 \( 1 + (8.50 + 9.44i)T + (-8.25 + 78.5i)T^{2} \)
83 \( 1 + (2.78 + 8.55i)T + (-67.1 + 48.7i)T^{2} \)
89 \( 1 + (0.763 - 1.32i)T + (-44.5 - 77.0i)T^{2} \)
97 \( 1 + (1.19 - 3.66i)T + (-78.4 - 57.0i)T^{2} \)
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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

−14.49989623384955257138142009198, −14.08820812244744539791107966052, −12.60439497603582223571133210050, −11.74312758081648122614041317013, −9.931481762188244287098479287834, −8.926601843641222965865453216308, −7.27788338345490568685465870503, −6.53527789999421348087676857840, −4.64750587798775663100186465814, −3.61803503097221804920034954135, 2.88548250612170230312294576514, 3.70075312541349697491267104976, 5.63087306893822093115757178744, 7.57662410744124785376689809950, 8.464293281589435752703645934815, 10.22729004951418089364125017119, 11.33750756686325643279403772417, 12.29608906427511164465254855062, 13.07610442411766967616775429504, 14.10106222043813543171211117823

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