Properties

Label 280.2.q.e
Level $280$
Weight $2$
Character orbit 280.q
Analytic conductor $2.236$
Analytic rank $0$
Dimension $6$
Inner twists $2$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [280,2,Mod(81,280)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("280.81"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(280, base_ring=CyclotomicField(6)) chi = DirichletCharacter(H, H._module([0, 0, 0, 4])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 280 = 2^{3} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 280.q (of order \(3\), degree \(2\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6,0,0] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(3)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(2.23581125660\)
Analytic rank: \(0\)
Dimension: \(6\)
Relative dimension: \(3\) over \(\Q(\zeta_{3})\)
Coefficient field: 6.0.11337408.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} + 18x^{4} + 81x^{2} + 12 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-expansion

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

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{5} q^{3} + (\beta_{2} - 1) q^{5} + ( - \beta_{5} - \beta_1 + 1) q^{7} + (\beta_{4} + 3 \beta_{2} + 2 \beta_1 - 3) q^{9} + (\beta_{4} - \beta_{2} - \beta_1) q^{11} + ( - 2 \beta_{3} + \beta_1 + 1) q^{13}+ \cdots + ( - 8 \beta_{4} - 6 \beta_{3} + \cdots + 21) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 3 q^{5} + 6 q^{7} - 9 q^{9} - 3 q^{11} + 6 q^{13} - 6 q^{17} - 3 q^{19} - 3 q^{23} - 3 q^{25} - 36 q^{27} + 24 q^{29} - 12 q^{31} + 18 q^{33} - 3 q^{35} - 9 q^{37} + 18 q^{39} + 18 q^{41} + 24 q^{43}+ \cdots + 126 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} + 18x^{4} + 81x^{2} + 12 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{3} + 9\nu + 2 ) / 4 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{2} + \nu + 6 ) / 2 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{4} + 9\nu^{2} - 2\nu ) / 4 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( \nu^{5} + \nu^{4} + 15\nu^{3} + 11\nu^{2} + 48\nu + 12 ) / 8 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( 2\beta_{3} - \beta _1 - 6 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 4\beta_{2} - 9\beta _1 - 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 4\beta_{4} - 18\beta_{3} + 11\beta _1 + 54 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 8\beta_{5} - 4\beta_{4} - 4\beta_{3} - 60\beta_{2} + 87\beta _1 + 30 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/280\mathbb{Z}\right)^\times\).

\(n\) \(57\) \(71\) \(141\) \(241\)
\(\chi(n)\) \(1\) \(1\) \(1\) \(-1 + \beta_{2}\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
81.1
0.391571i
3.17656i
2.78499i
0.391571i
3.17656i
2.78499i
0 −1.29211 + 2.23800i 0 −0.500000 0.866025i 0 −0.292113 + 2.62958i 0 −1.83911 3.18543i 0
81.2 0 −0.352860 + 0.611171i 0 −0.500000 0.866025i 0 0.647140 2.56539i 0 1.25098 + 2.16676i 0
81.3 0 1.64497 2.84918i 0 −0.500000 0.866025i 0 2.64497 0.0641892i 0 −3.91187 6.77556i 0
121.1 0 −1.29211 2.23800i 0 −0.500000 + 0.866025i 0 −0.292113 2.62958i 0 −1.83911 + 3.18543i 0
121.2 0 −0.352860 0.611171i 0 −0.500000 + 0.866025i 0 0.647140 + 2.56539i 0 1.25098 2.16676i 0
121.3 0 1.64497 + 2.84918i 0 −0.500000 + 0.866025i 0 2.64497 + 0.0641892i 0 −3.91187 + 6.77556i 0
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 81.3
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 280.2.q.e 6
3.b odd 2 1 2520.2.bi.q 6
4.b odd 2 1 560.2.q.l 6
5.b even 2 1 1400.2.q.j 6
5.c odd 4 2 1400.2.bh.i 12
7.b odd 2 1 1960.2.q.w 6
7.c even 3 1 inner 280.2.q.e 6
7.c even 3 1 1960.2.a.w 3
7.d odd 6 1 1960.2.a.v 3
7.d odd 6 1 1960.2.q.w 6
21.h odd 6 1 2520.2.bi.q 6
28.f even 6 1 3920.2.a.cb 3
28.g odd 6 1 560.2.q.l 6
28.g odd 6 1 3920.2.a.cc 3
35.i odd 6 1 9800.2.a.cf 3
35.j even 6 1 1400.2.q.j 6
35.j even 6 1 9800.2.a.ce 3
35.l odd 12 2 1400.2.bh.i 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
280.2.q.e 6 1.a even 1 1 trivial
280.2.q.e 6 7.c even 3 1 inner
560.2.q.l 6 4.b odd 2 1
560.2.q.l 6 28.g odd 6 1
1400.2.q.j 6 5.b even 2 1
1400.2.q.j 6 35.j even 6 1
1400.2.bh.i 12 5.c odd 4 2
1400.2.bh.i 12 35.l odd 12 2
1960.2.a.v 3 7.d odd 6 1
1960.2.a.w 3 7.c even 3 1
1960.2.q.w 6 7.b odd 2 1
1960.2.q.w 6 7.d odd 6 1
2520.2.bi.q 6 3.b odd 2 1
2520.2.bi.q 6 21.h odd 6 1
3920.2.a.cb 3 28.f even 6 1
3920.2.a.cc 3 28.g odd 6 1
9800.2.a.ce 3 35.j even 6 1
9800.2.a.cf 3 35.i odd 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{6} + 9T_{3}^{4} + 12T_{3}^{3} + 81T_{3}^{2} + 54T_{3} + 36 \) acting on \(S_{2}^{\mathrm{new}}(280, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( T^{6} + 9 T^{4} + \cdots + 36 \) Copy content Toggle raw display
$5$ \( (T^{2} + T + 1)^{3} \) Copy content Toggle raw display
$7$ \( T^{6} - 6 T^{5} + \cdots + 343 \) Copy content Toggle raw display
$11$ \( T^{6} + 3 T^{5} + \cdots + 1936 \) Copy content Toggle raw display
$13$ \( (T^{3} - 3 T^{2} - 24 T + 68)^{2} \) Copy content Toggle raw display
$17$ \( (T^{2} + 2 T + 4)^{3} \) Copy content Toggle raw display
$19$ \( T^{6} + 3 T^{5} + \cdots + 256 \) Copy content Toggle raw display
$23$ \( T^{6} + 3 T^{5} + \cdots + 49 \) Copy content Toggle raw display
$29$ \( (T^{3} - 12 T^{2} + \cdots + 26)^{2} \) Copy content Toggle raw display
$31$ \( T^{6} + 12 T^{5} + \cdots + 16384 \) Copy content Toggle raw display
$37$ \( T^{6} + 9 T^{5} + \cdots + 9216 \) Copy content Toggle raw display
$41$ \( (T^{3} - 9 T^{2} + \cdots + 381)^{2} \) Copy content Toggle raw display
$43$ \( (T^{3} - 12 T^{2} + \cdots - 22)^{2} \) Copy content Toggle raw display
$47$ \( T^{6} - 15 T^{5} + \cdots + 2521744 \) Copy content Toggle raw display
$53$ \( T^{6} + 9 T^{5} + \cdots + 389376 \) Copy content Toggle raw display
$59$ \( (T^{2} + 8 T + 64)^{3} \) Copy content Toggle raw display
$61$ \( T^{6} - 6 T^{5} + \cdots + 295936 \) Copy content Toggle raw display
$67$ \( T^{6} + 6 T^{5} + \cdots + 64 \) Copy content Toggle raw display
$71$ \( T^{6} \) Copy content Toggle raw display
$73$ \( T^{6} + 108 T^{4} + \cdots + 112896 \) Copy content Toggle raw display
$79$ \( T^{6} - 18 T^{5} + \cdots + 589824 \) Copy content Toggle raw display
$83$ \( (T^{3} + 30 T^{2} + \cdots + 904)^{2} \) Copy content Toggle raw display
$89$ \( T^{6} + 27 T^{4} + \cdots + 1764 \) Copy content Toggle raw display
$97$ \( (T + 2)^{6} \) Copy content Toggle raw display
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