Properties

Label 560.8.a.m
Level $560$
Weight $8$
Character orbit 560.a
Self dual yes
Analytic conductor $174.936$
Analytic rank $1$
Dimension $4$
CM no
Inner twists $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [560,8,Mod(1,560)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(560, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 0]))
 
N = Newforms(chi, 8, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("560.1");
 
S:= CuspForms(chi, 8);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 560 = 2^{4} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 560.a (trivial)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(174.935614271\)
Analytic rank: \(1\)
Dimension: \(4\)
Coefficient field: \(\mathbb{Q}[x]/(x^{4} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{3} - 7039x^{2} + 20029x + 3886530 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{5}\cdot 3 \)
Twist minimal: no (minimal twist has level 140)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \beta_1 - 14) q^{3} - 125 q^{5} - 343 q^{7} + ( - \beta_{3} + \beta_{2} + \cdots + 1530) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_1 - 14) q^{3} - 125 q^{5} - 343 q^{7} + ( - \beta_{3} + \beta_{2} + \cdots + 1530) q^{9}+ \cdots + (866 \beta_{3} - 3536 \beta_{2} + \cdots - 4650086) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 57 q^{3} - 500 q^{5} - 1372 q^{7} + 6143 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 57 q^{3} - 500 q^{5} - 1372 q^{7} + 6143 q^{9} + 239 q^{11} - 7331 q^{13} + 7125 q^{15} - 15109 q^{17} + 31174 q^{19} + 19551 q^{21} - 51106 q^{23} + 62500 q^{25} - 314595 q^{27} - 41493 q^{29} - 347764 q^{31} + 752279 q^{33} + 171500 q^{35} + 196300 q^{37} + 156023 q^{39} + 1088846 q^{41} + 574638 q^{43} - 767875 q^{45} - 788941 q^{47} + 470596 q^{49} - 1742899 q^{51} + 1638714 q^{53} - 29875 q^{55} + 1968630 q^{57} - 112480 q^{59} + 5086354 q^{61} - 2107049 q^{63} + 916375 q^{65} - 3751752 q^{67} + 16352342 q^{69} + 3394240 q^{71} + 8473576 q^{73} - 890625 q^{75} - 81977 q^{77} - 13011243 q^{79} + 19468268 q^{81} - 10175868 q^{83} + 1888625 q^{85} - 14671695 q^{87} + 3861206 q^{89} + 2514533 q^{91} - 15271292 q^{93} - 3896750 q^{95} + 12012703 q^{97} - 18868978 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - x^{3} - 7039x^{2} + 20029x + 3886530 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{3} + 42\nu^{2} - 5779\nu - 136662 ) / 78 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{3} - 36\nu^{2} - 6013\nu + 137976 ) / 78 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( -\beta_{3} + \beta_{2} - 3\beta _1 + 3521 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 42\beta_{3} + 36\beta_{2} + 5905\beta _1 - 11220 \) Copy content Toggle raw display

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
79.0053
26.3169
−22.9804
−81.3418
0 −93.0053 0 −125.000 0 −343.000 0 6462.98 0
1.2 0 −40.3169 0 −125.000 0 −343.000 0 −561.546 0
1.3 0 8.98037 0 −125.000 0 −343.000 0 −2106.35 0
1.4 0 67.3418 0 −125.000 0 −343.000 0 2347.92 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(5\) \(1\)
\(7\) \(1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 560.8.a.m 4
4.b odd 2 1 140.8.a.d 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
140.8.a.d 4 4.b odd 2 1
560.8.a.m 4 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{4} + 57T_{3}^{3} - 5821T_{3}^{2} - 205557T_{3} + 2267640 \) acting on \(S_{8}^{\mathrm{new}}(\Gamma_0(560))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( T^{4} + 57 T^{3} + \cdots + 2267640 \) Copy content Toggle raw display
$5$ \( (T + 125)^{4} \) Copy content Toggle raw display
$7$ \( (T + 343)^{4} \) Copy content Toggle raw display
$11$ \( T^{4} + \cdots + 116447880320100 \) Copy content Toggle raw display
$13$ \( T^{4} + \cdots - 18\!\cdots\!62 \) Copy content Toggle raw display
$17$ \( T^{4} + \cdots + 61\!\cdots\!30 \) Copy content Toggle raw display
$19$ \( T^{4} + \cdots - 21\!\cdots\!24 \) Copy content Toggle raw display
$23$ \( T^{4} + \cdots + 26\!\cdots\!56 \) Copy content Toggle raw display
$29$ \( T^{4} + \cdots + 53\!\cdots\!58 \) Copy content Toggle raw display
$31$ \( T^{4} + \cdots + 50\!\cdots\!08 \) Copy content Toggle raw display
$37$ \( T^{4} + \cdots + 13\!\cdots\!00 \) Copy content Toggle raw display
$41$ \( T^{4} + \cdots + 49\!\cdots\!00 \) Copy content Toggle raw display
$43$ \( T^{4} + \cdots - 19\!\cdots\!80 \) Copy content Toggle raw display
$47$ \( T^{4} + \cdots - 24\!\cdots\!44 \) Copy content Toggle raw display
$53$ \( T^{4} + \cdots - 55\!\cdots\!00 \) Copy content Toggle raw display
$59$ \( T^{4} + \cdots - 27\!\cdots\!60 \) Copy content Toggle raw display
$61$ \( T^{4} + \cdots + 75\!\cdots\!40 \) Copy content Toggle raw display
$67$ \( T^{4} + \cdots - 55\!\cdots\!60 \) Copy content Toggle raw display
$71$ \( T^{4} + \cdots + 27\!\cdots\!00 \) Copy content Toggle raw display
$73$ \( T^{4} + \cdots - 74\!\cdots\!00 \) Copy content Toggle raw display
$79$ \( T^{4} + \cdots + 18\!\cdots\!00 \) Copy content Toggle raw display
$83$ \( T^{4} + \cdots - 31\!\cdots\!40 \) Copy content Toggle raw display
$89$ \( T^{4} + \cdots + 38\!\cdots\!40 \) Copy content Toggle raw display
$97$ \( T^{4} + \cdots + 58\!\cdots\!34 \) Copy content Toggle raw display
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