Properties

Label 8880.2.a.cm
Level $8880$
Weight $2$
Character orbit 8880.a
Self dual yes
Analytic conductor $70.907$
Analytic rank $0$
Dimension $5$
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] = [8880,2,Mod(1,8880)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8880, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("8880.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 8880 = 2^{4} \cdot 3 \cdot 5 \cdot 37 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 8880.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: \(70.9071569949\)
Analytic rank: \(0\)
Dimension: \(5\)
Coefficient field: 5.5.600268.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{5} - x^{4} - 7x^{3} + 6x^{2} + 6x - 4 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{19}]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: no (minimal twist has level 555)
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 \(1,\beta_1,\beta_2,\beta_3,\beta_4\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + q^{3} - q^{5} + (\beta_{4} - \beta_{3}) q^{7} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + q^{3} - q^{5} + (\beta_{4} - \beta_{3}) q^{7} + q^{9} + (\beta_{4} - \beta_1) q^{11} + ( - \beta_1 + 1) q^{13} - q^{15} + ( - \beta_{3} - \beta_1) q^{17} + (\beta_{4} - \beta_{3} + \beta_{2} + \cdots - 3) q^{19}+ \cdots + (\beta_{4} - \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 5 q + 5 q^{3} - 5 q^{5} - 2 q^{7} + 5 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 5 q + 5 q^{3} - 5 q^{5} - 2 q^{7} + 5 q^{9} + q^{11} + 7 q^{13} - 5 q^{15} + q^{17} - 13 q^{19} - 2 q^{21} + 6 q^{23} + 5 q^{25} + 5 q^{27} + 8 q^{29} - 8 q^{31} + q^{33} + 2 q^{35} + 5 q^{37} + 7 q^{39} + 4 q^{41} - 14 q^{43} - 5 q^{45} - q^{47} + 19 q^{49} + q^{51} + 17 q^{53} - q^{55} - 13 q^{57} - 10 q^{59} + 40 q^{61} - 2 q^{63} - 7 q^{65} + 13 q^{67} + 6 q^{69} + q^{71} + 3 q^{73} + 5 q^{75} + 13 q^{77} - 7 q^{79} + 5 q^{81} + 6 q^{83} - q^{85} + 8 q^{87} - 3 q^{89} - 12 q^{91} - 8 q^{93} + 13 q^{95} + q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{5} - x^{4} - 7x^{3} + 6x^{2} + 6x - 4 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -\nu^{4} + \nu^{3} + 5\nu^{2} - 4\nu ) / 2 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{4} + \nu^{3} - 7\nu^{2} - 4\nu + 6 ) / 2 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -\nu^{4} + \nu^{3} + 7\nu^{2} - 8\nu - 4 ) / 2 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -3\nu^{4} + \nu^{3} + 21\nu^{2} - 4\nu - 16 ) / 2 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{4} - 2\beta_{3} + \beta_{2} + 1 ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{4} + \beta_{2} - 2\beta _1 + 5 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 3\beta_{4} - 4\beta_{3} + 5\beta_{2} + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 3\beta_{4} + 4\beta_{2} - 7\beta _1 + 12 \) 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
−2.40160
0.565258
−0.942342
2.55476
1.22392
0 1.00000 0 −1.00000 0 −3.69558 0 1.00000 0
1.2 0 1.00000 0 −1.00000 0 −2.73496 0 1.00000 0
1.3 0 1.00000 0 −1.00000 0 −2.45718 0 1.00000 0
1.4 0 1.00000 0 −1.00000 0 2.19795 0 1.00000 0
1.5 0 1.00000 0 −1.00000 0 4.68977 0 1.00000 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1.5
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(3\) \(-1\)
\(5\) \(1\)
\(37\) \(-1\)

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 8880.2.a.cm 5
4.b odd 2 1 555.2.a.j 5
12.b even 2 1 1665.2.a.s 5
20.d odd 2 1 2775.2.a.bd 5
60.h even 2 1 8325.2.a.bx 5
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
555.2.a.j 5 4.b odd 2 1
1665.2.a.s 5 12.b even 2 1
2775.2.a.bd 5 20.d odd 2 1
8325.2.a.bx 5 60.h even 2 1
8880.2.a.cm 5 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(8880))\):

\( T_{7}^{5} + 2T_{7}^{4} - 25T_{7}^{3} - 62T_{7}^{2} + 96T_{7} + 256 \) Copy content Toggle raw display
\( T_{11}^{5} - T_{11}^{4} - 31T_{11}^{3} + 48T_{11}^{2} + 80T_{11} - 128 \) Copy content Toggle raw display
\( T_{13}^{5} - 7T_{13}^{4} + 3T_{13}^{3} + 39T_{13}^{2} - 40T_{13} - 4 \) Copy content Toggle raw display
\( T_{23}^{5} - 6T_{23}^{4} - 45T_{23}^{3} + 198T_{23}^{2} + 272T_{23} - 64 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{5} \) Copy content Toggle raw display
$3$ \( (T - 1)^{5} \) Copy content Toggle raw display
$5$ \( (T + 1)^{5} \) Copy content Toggle raw display
$7$ \( T^{5} + 2 T^{4} + \cdots + 256 \) Copy content Toggle raw display
$11$ \( T^{5} - T^{4} + \cdots - 128 \) Copy content Toggle raw display
$13$ \( T^{5} - 7 T^{4} + \cdots - 4 \) Copy content Toggle raw display
$17$ \( T^{5} - T^{4} - 41 T^{3} + \cdots + 8 \) Copy content Toggle raw display
$19$ \( T^{5} + 13 T^{4} + \cdots - 1856 \) Copy content Toggle raw display
$23$ \( T^{5} - 6 T^{4} + \cdots - 64 \) Copy content Toggle raw display
$29$ \( T^{5} - 8 T^{4} + \cdots - 1244 \) Copy content Toggle raw display
$31$ \( T^{5} + 8 T^{4} + \cdots + 3488 \) Copy content Toggle raw display
$37$ \( (T - 1)^{5} \) Copy content Toggle raw display
$41$ \( T^{5} - 4 T^{4} + \cdots + 1136 \) Copy content Toggle raw display
$43$ \( T^{5} + 14 T^{4} + \cdots - 800 \) Copy content Toggle raw display
$47$ \( T^{5} + T^{4} + \cdots - 128 \) Copy content Toggle raw display
$53$ \( T^{5} - 17 T^{4} + \cdots + 5056 \) Copy content Toggle raw display
$59$ \( T^{5} + 10 T^{4} + \cdots + 16 \) Copy content Toggle raw display
$61$ \( T^{5} - 40 T^{4} + \cdots + 8152 \) Copy content Toggle raw display
$67$ \( T^{5} - 13 T^{4} + \cdots - 64 \) Copy content Toggle raw display
$71$ \( T^{5} - T^{4} + \cdots - 55808 \) Copy content Toggle raw display
$73$ \( T^{5} - 3 T^{4} + \cdots + 18376 \) Copy content Toggle raw display
$79$ \( T^{5} + 7 T^{4} + \cdots + 217984 \) Copy content Toggle raw display
$83$ \( T^{5} - 6 T^{4} + \cdots - 40144 \) Copy content Toggle raw display
$89$ \( T^{5} + 3 T^{4} + \cdots - 21452 \) Copy content Toggle raw display
$97$ \( T^{5} - 71 T^{3} + \cdots + 584 \) Copy content Toggle raw display
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