Properties

Label 1456.2.s.l
Level $1456$
Weight $2$
Character orbit 1456.s
Analytic conductor $11.626$
Analytic rank $0$
Dimension $4$
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] = [1456,2,Mod(113,1456)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1456, 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("1456.113");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1456 = 2^{4} \cdot 7 \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1456.s (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: \(11.6262185343\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{3})\)
Coefficient field: \(\Q(\zeta_{12})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 3 \)
Twist minimal: no (minimal twist has level 182)
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 \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{2} q^{3} + ( - \beta_{3} + 2) q^{5} + (\beta_1 - 1) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{2} q^{3} + ( - \beta_{3} + 2) q^{5} + (\beta_1 - 1) q^{7} + ( - 2 \beta_{2} - 2 \beta_1) q^{11} + (\beta_{3} + \beta_{2} + 2 \beta_1 - 2) q^{13} + ( - 2 \beta_{2} + 3 \beta_1) q^{15} + (2 \beta_{3} - 2 \beta_{2}) q^{17} + (2 \beta_{3} - 2 \beta_{2}) q^{19} + \beta_{3} q^{21} + (2 \beta_{2} + 5 \beta_1) q^{23} + ( - 4 \beta_{3} + 2) q^{25} - 3 \beta_{3} q^{27} + ( - 4 \beta_{2} - 2 \beta_1) q^{29} + (2 \beta_{3} - 4) q^{31} + ( - 2 \beta_{3} + 2 \beta_{2} + \cdots - 6) q^{33}+ \cdots + ( - 4 \beta_{3} + 4 \beta_{2} + \cdots + 10) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 8 q^{5} - 2 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 8 q^{5} - 2 q^{7} - 4 q^{11} - 4 q^{13} + 6 q^{15} + 10 q^{23} + 8 q^{25} - 4 q^{29} - 16 q^{31} - 12 q^{33} - 4 q^{35} + 12 q^{37} - 12 q^{41} + 8 q^{43} + 8 q^{47} - 2 q^{49} - 24 q^{51} + 4 q^{55} - 24 q^{57} + 16 q^{59} + 4 q^{61} - 26 q^{65} - 4 q^{67} + 12 q^{69} + 2 q^{71} - 16 q^{73} + 24 q^{75} + 8 q^{77} - 32 q^{79} + 18 q^{81} - 12 q^{85} - 24 q^{87} + 24 q^{89} - 4 q^{91} - 12 q^{93} - 12 q^{95} + 20 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( \zeta_{12}^{2} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \zeta_{12}^{3} + \zeta_{12} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( -\zeta_{12}^{3} + 2\zeta_{12} \) Copy content Toggle raw display
\(\zeta_{12}\)\(=\) \( ( \beta_{3} + \beta_{2} ) / 3 \) Copy content Toggle raw display
\(\zeta_{12}^{2}\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\zeta_{12}^{3}\)\(=\) \( ( -\beta_{3} + 2\beta_{2} ) / 3 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1456\mathbb{Z}\right)^\times\).

\(n\) \(561\) \(911\) \(1093\) \(1249\)
\(\chi(n)\) \(-1 + \beta_{1}\) \(1\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
113.1
0.866025 0.500000i
−0.866025 + 0.500000i
0.866025 + 0.500000i
−0.866025 0.500000i
0 −0.866025 + 1.50000i 0 0.267949 0 −0.500000 0.866025i 0 0 0
113.2 0 0.866025 1.50000i 0 3.73205 0 −0.500000 0.866025i 0 0 0
1121.1 0 −0.866025 1.50000i 0 0.267949 0 −0.500000 + 0.866025i 0 0 0
1121.2 0 0.866025 + 1.50000i 0 3.73205 0 −0.500000 + 0.866025i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1456.2.s.l 4
4.b odd 2 1 182.2.g.e 4
12.b even 2 1 1638.2.r.v 4
13.c even 3 1 inner 1456.2.s.l 4
28.d even 2 1 1274.2.g.l 4
28.f even 6 1 1274.2.e.p 4
28.f even 6 1 1274.2.h.p 4
28.g odd 6 1 1274.2.e.o 4
28.g odd 6 1 1274.2.h.o 4
52.i odd 6 1 2366.2.a.r 2
52.j odd 6 1 182.2.g.e 4
52.j odd 6 1 2366.2.a.t 2
52.l even 12 2 2366.2.d.l 4
156.p even 6 1 1638.2.r.v 4
364.q odd 6 1 1274.2.e.o 4
364.v even 6 1 1274.2.g.l 4
364.ba even 6 1 1274.2.h.p 4
364.bi odd 6 1 1274.2.h.o 4
364.br even 6 1 1274.2.e.p 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
182.2.g.e 4 4.b odd 2 1
182.2.g.e 4 52.j odd 6 1
1274.2.e.o 4 28.g odd 6 1
1274.2.e.o 4 364.q odd 6 1
1274.2.e.p 4 28.f even 6 1
1274.2.e.p 4 364.br even 6 1
1274.2.g.l 4 28.d even 2 1
1274.2.g.l 4 364.v even 6 1
1274.2.h.o 4 28.g odd 6 1
1274.2.h.o 4 364.bi odd 6 1
1274.2.h.p 4 28.f even 6 1
1274.2.h.p 4 364.ba even 6 1
1456.2.s.l 4 1.a even 1 1 trivial
1456.2.s.l 4 13.c even 3 1 inner
1638.2.r.v 4 12.b even 2 1
1638.2.r.v 4 156.p even 6 1
2366.2.a.r 2 52.i odd 6 1
2366.2.a.t 2 52.j odd 6 1
2366.2.d.l 4 52.l even 12 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1456, [\chi])\):

\( T_{3}^{4} + 3T_{3}^{2} + 9 \) Copy content Toggle raw display
\( T_{5}^{2} - 4T_{5} + 1 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( T^{4} + 3T^{2} + 9 \) Copy content Toggle raw display
$5$ \( (T^{2} - 4 T + 1)^{2} \) Copy content Toggle raw display
$7$ \( (T^{2} + T + 1)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} + 4 T^{3} + \cdots + 64 \) Copy content Toggle raw display
$13$ \( T^{4} + 4 T^{3} + \cdots + 169 \) Copy content Toggle raw display
$17$ \( T^{4} + 12T^{2} + 144 \) Copy content Toggle raw display
$19$ \( T^{4} + 12T^{2} + 144 \) Copy content Toggle raw display
$23$ \( T^{4} - 10 T^{3} + \cdots + 169 \) Copy content Toggle raw display
$29$ \( T^{4} + 4 T^{3} + \cdots + 1936 \) Copy content Toggle raw display
$31$ \( (T^{2} + 8 T + 4)^{2} \) Copy content Toggle raw display
$37$ \( T^{4} - 12 T^{3} + \cdots + 576 \) Copy content Toggle raw display
$41$ \( T^{4} + 12 T^{3} + \cdots + 576 \) Copy content Toggle raw display
$43$ \( (T^{2} - 4 T + 16)^{2} \) Copy content Toggle raw display
$47$ \( (T^{2} - 4 T - 44)^{2} \) Copy content Toggle raw display
$53$ \( (T^{2} - 48)^{2} \) Copy content Toggle raw display
$59$ \( T^{4} - 16 T^{3} + \cdots + 1369 \) Copy content Toggle raw display
$61$ \( T^{4} - 4 T^{3} + \cdots + 529 \) Copy content Toggle raw display
$67$ \( T^{4} + 4 T^{3} + \cdots + 1936 \) Copy content Toggle raw display
$71$ \( T^{4} - 2 T^{3} + \cdots + 121 \) Copy content Toggle raw display
$73$ \( (T^{2} + 8 T + 4)^{2} \) Copy content Toggle raw display
$79$ \( (T^{2} + 16 T + 16)^{2} \) Copy content Toggle raw display
$83$ \( (T^{2} - 108)^{2} \) Copy content Toggle raw display
$89$ \( T^{4} - 24 T^{3} + \cdots + 17424 \) Copy content Toggle raw display
$97$ \( T^{4} - 20 T^{3} + \cdots + 2704 \) Copy content Toggle raw display
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