Properties

Label 2-2240-8.5-c1-0-7
Degree $2$
Conductor $2240$
Sign $-0.965 - 0.258i$
Analytic cond. $17.8864$
Root an. cond. $4.22924$
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  + 1.73i·3-s + i·5-s + 7-s i·11-s + i·13-s − 1.73·15-s − 5.73·17-s − 2i·19-s + 1.73i·21-s − 3.46·23-s − 25-s + 5.19i·27-s + 9.19i·29-s + 4·31-s + 1.73·33-s + ⋯
L(s)  = 1  + 0.999i·3-s + 0.447i·5-s + 0.377·7-s − 0.301i·11-s + 0.277i·13-s − 0.447·15-s − 1.39·17-s − 0.458i·19-s + 0.377i·21-s − 0.722·23-s − 0.200·25-s + 1.00i·27-s + 1.70i·29-s + 0.718·31-s + 0.301·33-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.965 - 0.258i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2240 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.965 - 0.258i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2240\)    =    \(2^{6} \cdot 5 \cdot 7\)
Sign: $-0.965 - 0.258i$
Analytic conductor: \(17.8864\)
Root analytic conductor: \(4.22924\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{2240} (1121, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 2240,\ (\ :1/2),\ -0.965 - 0.258i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.207343952\)
\(L(\frac12)\) \(\approx\) \(1.207343952\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - iT \)
7 \( 1 - T \)
good3 \( 1 - 1.73iT - 3T^{2} \)
11 \( 1 + iT - 11T^{2} \)
13 \( 1 - iT - 13T^{2} \)
17 \( 1 + 5.73T + 17T^{2} \)
19 \( 1 + 2iT - 19T^{2} \)
23 \( 1 + 3.46T + 23T^{2} \)
29 \( 1 - 9.19iT - 29T^{2} \)
31 \( 1 - 4T + 31T^{2} \)
37 \( 1 - 7.46iT - 37T^{2} \)
41 \( 1 + 10.9T + 41T^{2} \)
43 \( 1 - 3.46iT - 43T^{2} \)
47 \( 1 + 3.92T + 47T^{2} \)
53 \( 1 - 5.46iT - 53T^{2} \)
59 \( 1 + 2.53iT - 59T^{2} \)
61 \( 1 - 5.46iT - 61T^{2} \)
67 \( 1 + 1.46iT - 67T^{2} \)
71 \( 1 - 0.535T + 71T^{2} \)
73 \( 1 - 4T + 73T^{2} \)
79 \( 1 - 5.73T + 79T^{2} \)
83 \( 1 + 15.4iT - 83T^{2} \)
89 \( 1 - 9.46T + 89T^{2} \)
97 \( 1 + 14.2T + 97T^{2} \)
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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

−9.350696551263501935359867666509, −8.787055489206221612954602807383, −7.977844650186741585147496109170, −6.89512796608448601502474913199, −6.41123199012505121516792024927, −5.13194718548715802490333560504, −4.63117398905761460211304919075, −3.75386345304978171782149845304, −2.86135888640375600816115329601, −1.61926641243273537040398930121, 0.39939217807741391089895148624, 1.73390090913425593696017124909, 2.34687615563925598297920375453, 3.89614781438349224829597868743, 4.62004931163814357376851604413, 5.63020294566559132902020508002, 6.48991085905297438331229138434, 7.08940167251345399022332748979, 8.116914156021555648146572828393, 8.273533810786935791409564051690

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