Properties

Label 2-2e7-128.77-c3-0-38
Degree $2$
Conductor $128$
Sign $0.831 + 0.556i$
Analytic cond. $7.55224$
Root an. cond. $2.74813$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−2.50 + 1.31i)2-s + (3.59 − 1.09i)3-s + (4.53 − 6.58i)4-s + (17.1 − 1.68i)5-s + (−7.57 + 7.46i)6-s + (15.6 − 23.4i)7-s + (−2.69 + 22.4i)8-s + (−10.6 + 7.14i)9-s + (−40.7 + 26.7i)10-s + (−28.5 − 53.4i)11-s + (9.14 − 28.6i)12-s + (−0.511 + 5.19i)13-s + (−8.36 + 79.1i)14-s + (59.8 − 24.7i)15-s + (−22.7 − 59.8i)16-s + (−80.8 − 33.5i)17-s + ⋯
L(s)  = 1  + (−0.885 + 0.465i)2-s + (0.692 − 0.210i)3-s + (0.567 − 0.823i)4-s + (1.53 − 0.151i)5-s + (−0.515 + 0.508i)6-s + (0.844 − 1.26i)7-s + (−0.119 + 0.992i)8-s + (−0.395 + 0.264i)9-s + (−1.28 + 0.847i)10-s + (−0.782 − 1.46i)11-s + (0.219 − 0.689i)12-s + (−0.0109 + 0.110i)13-s + (−0.159 + 1.51i)14-s + (1.03 − 0.426i)15-s + (−0.356 − 0.934i)16-s + (−1.15 − 0.477i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.831 + 0.556i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 128 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (0.831 + 0.556i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(128\)    =    \(2^{7}\)
Sign: $0.831 + 0.556i$
Analytic conductor: \(7.55224\)
Root analytic conductor: \(2.74813\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{128} (77, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 128,\ (\ :3/2),\ 0.831 + 0.556i)\)

Particular Values

\(L(2)\) \(\approx\) \(1.63380 - 0.496295i\)
\(L(\frac12)\) \(\approx\) \(1.63380 - 0.496295i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (2.50 - 1.31i)T \)
good3 \( 1 + (-3.59 + 1.09i)T + (22.4 - 15.0i)T^{2} \)
5 \( 1 + (-17.1 + 1.68i)T + (122. - 24.3i)T^{2} \)
7 \( 1 + (-15.6 + 23.4i)T + (-131. - 316. i)T^{2} \)
11 \( 1 + (28.5 + 53.4i)T + (-739. + 1.10e3i)T^{2} \)
13 \( 1 + (0.511 - 5.19i)T + (-2.15e3 - 428. i)T^{2} \)
17 \( 1 + (80.8 + 33.5i)T + (3.47e3 + 3.47e3i)T^{2} \)
19 \( 1 + (-73.5 - 89.5i)T + (-1.33e3 + 6.72e3i)T^{2} \)
23 \( 1 + (-2.49 + 12.5i)T + (-1.12e4 - 4.65e3i)T^{2} \)
29 \( 1 + (-137. - 73.4i)T + (1.35e4 + 2.02e4i)T^{2} \)
31 \( 1 + (-77.9 + 77.9i)T - 2.97e4iT^{2} \)
37 \( 1 + (-63.2 - 51.9i)T + (9.88e3 + 4.96e4i)T^{2} \)
41 \( 1 + (43.1 + 8.57i)T + (6.36e4 + 2.63e4i)T^{2} \)
43 \( 1 + (-349. - 106. i)T + (6.61e4 + 4.41e4i)T^{2} \)
47 \( 1 + (91.6 - 221. i)T + (-7.34e4 - 7.34e4i)T^{2} \)
53 \( 1 + (393. - 210. i)T + (8.27e4 - 1.23e5i)T^{2} \)
59 \( 1 + (-32.0 - 325. i)T + (-2.01e5 + 4.00e4i)T^{2} \)
61 \( 1 + (97.9 + 322. i)T + (-1.88e5 + 1.26e5i)T^{2} \)
67 \( 1 + (-86.9 - 286. i)T + (-2.50e5 + 1.67e5i)T^{2} \)
71 \( 1 + (-642. - 429. i)T + (1.36e5 + 3.30e5i)T^{2} \)
73 \( 1 + (-356. - 533. i)T + (-1.48e5 + 3.59e5i)T^{2} \)
79 \( 1 + (-1.24 - 3.00i)T + (-3.48e5 + 3.48e5i)T^{2} \)
83 \( 1 + (-1.03e3 + 845. i)T + (1.11e5 - 5.60e5i)T^{2} \)
89 \( 1 + (-151. - 762. i)T + (-6.51e5 + 2.69e5i)T^{2} \)
97 \( 1 + (-835. + 835. i)T - 9.12e5iT^{2} \)
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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

−13.38392383665399372877161124765, −11.19413182246290905500155622046, −10.55424208612939586184438797589, −9.468844443177287168439621251287, −8.431128350737017018102564151500, −7.67335437179516143367628109475, −6.24206697317345844662237555017, −5.15936989542883548340297034054, −2.59198876960664047106929408810, −1.17006198725545686406139009394, 2.07412686167218768804114584939, 2.59390168834855528315629828578, 5.02461661697332099908996237290, 6.48371986628270504231005187985, 8.007768947812103429427412181962, 9.065280167931527083663724045329, 9.543341155678273965901715856984, 10.63377278930239524668684882142, 11.82741711311553017784483855637, 12.87786713157679174456682354379

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