Properties

Label 1960.2.q.w
Level $1960$
Weight $2$
Character orbit 1960.q
Analytic conductor $15.651$
Analytic rank $0$
Dimension $6$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1960,2,Mod(361,1960)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1960, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 4]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1960.361");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1960 = 2^{3} \cdot 5 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1960.q (of order \(3\), degree \(2\), not minimal)

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: no
Analytic conductor: \(15.6506787962\)
Analytic rank: \(0\)
Dimension: \(6\)
Relative dimension: \(3\) over \(\Q(\zeta_{3})\)
Coefficient field: 6.0.11337408.1
comment: defining polynomial
 
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: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 3 \)
Twist minimal: no (minimal twist has level 280)
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \beta_{5} + \beta_{3}) q^{3} + \beta_1 q^{5} + (\beta_{5} - \beta_{4} - 3 \beta_1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{5} + \beta_{3}) q^{3} + \beta_1 q^{5} + (\beta_{5} - \beta_{4} - 3 \beta_1) q^{9} + ( - \beta_{5} + \beta_{4} + \beta_{3} + \cdots - 1) q^{11}+ \cdots + ( - 7 \beta_{3} - \beta_{2} + 21) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q + 3 q^{5} - 9 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 6 q + 3 q^{5} - 9 q^{9} - 3 q^{11} - 6 q^{13} + 6 q^{17} + 3 q^{19} - 3 q^{23} - 3 q^{25} + 36 q^{27} + 24 q^{29} + 12 q^{31} - 18 q^{33} - 9 q^{37} + 18 q^{39} - 18 q^{41} + 24 q^{43} + 9 q^{45} - 15 q^{47} - 9 q^{53} - 6 q^{55} + 36 q^{57} + 24 q^{59} - 6 q^{61} - 3 q^{65} - 6 q^{67} + 18 q^{79} - 27 q^{81} + 60 q^{83} + 12 q^{85} + 18 q^{87} - 36 q^{93} - 3 q^{95} + 12 q^{97} + 126 q^{99}+O(q^{100}) \) 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

\(\beta_{1}\)\(=\) \( ( \nu^{3} + 9\nu + 2 ) / 4 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{4} + 7\nu^{2} - 12 ) / 4 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{4} + 11\nu^{2} + 12 ) / 4 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{5} - \nu^{4} + 15\nu^{3} - 7\nu^{2} + 60\nu + 12 ) / 8 \) 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
\(\nu\)\(=\) \( ( -2\beta_{5} + 2\beta_{4} + \beta_{3} + \beta_{2} ) / 3 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{3} - \beta_{2} - 6 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 6\beta_{5} - 6\beta_{4} - 3\beta_{3} - 3\beta_{2} + 4\beta _1 - 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -7\beta_{3} + 11\beta_{2} + 54 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( -50\beta_{5} + 58\beta_{4} + 25\beta_{3} + 29\beta_{2} - 60\beta _1 + 30 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1960\mathbb{Z}\right)^\times\).

\(n\) \(981\) \(1081\) \(1177\) \(1471\)
\(\chi(n)\) \(1\) \(-\beta_{1}\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
361.1
2.78499i
3.17656i
0.391571i
2.78499i
3.17656i
0.391571i
0 −1.64497 + 2.84918i 0 0.500000 + 0.866025i 0 0 0 −3.91187 6.77556i 0
361.2 0 0.352860 0.611171i 0 0.500000 + 0.866025i 0 0 0 1.25098 + 2.16676i 0
361.3 0 1.29211 2.23800i 0 0.500000 + 0.866025i 0 0 0 −1.83911 3.18543i 0
961.1 0 −1.64497 2.84918i 0 0.500000 0.866025i 0 0 0 −3.91187 + 6.77556i 0
961.2 0 0.352860 + 0.611171i 0 0.500000 0.866025i 0 0 0 1.25098 2.16676i 0
961.3 0 1.29211 + 2.23800i 0 0.500000 0.866025i 0 0 0 −1.83911 + 3.18543i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 361.3
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 1960.2.q.w 6
7.b odd 2 1 280.2.q.e 6
7.c even 3 1 1960.2.a.v 3
7.c even 3 1 inner 1960.2.q.w 6
7.d odd 6 1 280.2.q.e 6
7.d odd 6 1 1960.2.a.w 3
21.c even 2 1 2520.2.bi.q 6
21.g even 6 1 2520.2.bi.q 6
28.d even 2 1 560.2.q.l 6
28.f even 6 1 560.2.q.l 6
28.f even 6 1 3920.2.a.cc 3
28.g odd 6 1 3920.2.a.cb 3
35.c odd 2 1 1400.2.q.j 6
35.f even 4 2 1400.2.bh.i 12
35.i odd 6 1 1400.2.q.j 6
35.i odd 6 1 9800.2.a.ce 3
35.j even 6 1 9800.2.a.cf 3
35.k even 12 2 1400.2.bh.i 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
280.2.q.e 6 7.b odd 2 1
280.2.q.e 6 7.d odd 6 1
560.2.q.l 6 28.d even 2 1
560.2.q.l 6 28.f even 6 1
1400.2.q.j 6 35.c odd 2 1
1400.2.q.j 6 35.i odd 6 1
1400.2.bh.i 12 35.f even 4 2
1400.2.bh.i 12 35.k even 12 2
1960.2.a.v 3 7.c even 3 1
1960.2.a.w 3 7.d odd 6 1
1960.2.q.w 6 1.a even 1 1 trivial
1960.2.q.w 6 7.c even 3 1 inner
2520.2.bi.q 6 21.c even 2 1
2520.2.bi.q 6 21.g even 6 1
3920.2.a.cb 3 28.g odd 6 1
3920.2.a.cc 3 28.f even 6 1
9800.2.a.ce 3 35.i odd 6 1
9800.2.a.cf 3 35.j even 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1960, [\chi])\):

\( T_{3}^{6} + 9T_{3}^{4} - 12T_{3}^{3} + 81T_{3}^{2} - 54T_{3} + 36 \) Copy content Toggle raw display
\( T_{11}^{6} + 3T_{11}^{5} + 33T_{11}^{4} + 16T_{11}^{3} + 708T_{11}^{2} + 1056T_{11} + 1936 \) Copy content Toggle raw display
\( T_{13}^{3} + 3T_{13}^{2} - 24T_{13} - 68 \) 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
$7$ \( T^{6} \) 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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