Properties

Label 1911.1.bm.b
Level $1911$
Weight $1$
Character orbit 1911.bm
Analytic conductor $0.954$
Analytic rank $0$
Dimension $4$
Projective image $A_{4}$
CM/RM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1911,1,Mod(263,1911)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1911, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([3, 4, 2]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1911.263");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1911 = 3 \cdot 7^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1911.bm (of order \(6\), 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: \(0.953713239142\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{6})\)
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: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 273)
Projective image: \(A_{4}\)
Projective field: Galois closure of 4.0.74529.1

$q$-expansion

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

The \(q\)-expansion and trace form are shown below.

\(f(q)\) \(=\) \( q + \zeta_{12}^{5} q^{2} - \zeta_{12}^{3} q^{3} - \zeta_{12} q^{5} + \zeta_{12}^{2} q^{6} - \zeta_{12}^{3} q^{8} - q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{12}^{5} q^{2} - \zeta_{12}^{3} q^{3} - \zeta_{12} q^{5} + \zeta_{12}^{2} q^{6} - \zeta_{12}^{3} q^{8} - q^{9} + q^{10} + q^{13} + \zeta_{12}^{4} q^{15} + \zeta_{12}^{2} q^{16} + \zeta_{12} q^{17} - \zeta_{12}^{5} q^{18} - \zeta_{12}^{5} q^{23} - q^{24} + \zeta_{12}^{5} q^{26} + \zeta_{12}^{3} q^{27} - \zeta_{12} q^{29} - \zeta_{12}^{3} q^{30} - \zeta_{12}^{2} q^{31} - q^{34} - \zeta_{12}^{2} q^{37} - \zeta_{12}^{3} q^{39} + \zeta_{12}^{4} q^{40} - \zeta_{12} q^{41} - \zeta_{12}^{2} q^{43} + \zeta_{12} q^{45} + \zeta_{12}^{4} q^{46} - \zeta_{12} q^{47} - \zeta_{12}^{5} q^{48} - \zeta_{12}^{4} q^{51} + \zeta_{12}^{5} q^{53} - \zeta_{12}^{2} q^{54} + q^{58} - \zeta_{12} q^{59} + \zeta_{12} q^{62} - q^{64} - \zeta_{12} q^{65} - \zeta_{12}^{2} q^{69} - \zeta_{12}^{5} q^{71} + \zeta_{12}^{3} q^{72} + \zeta_{12}^{2} q^{73} + \zeta_{12} q^{74} + \zeta_{12}^{2} q^{78} + \zeta_{12}^{4} q^{79} - \zeta_{12}^{3} q^{80} + q^{81} + q^{82} - \zeta_{12}^{2} q^{85} + \zeta_{12} q^{86} + \zeta_{12}^{4} q^{87} - \zeta_{12}^{5} q^{89} - q^{90} + \zeta_{12}^{5} q^{93} + q^{94} - \zeta_{12}^{2} q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 2 q^{6} - 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 2 q^{6} - 4 q^{9} + 4 q^{10} + 4 q^{13} - 2 q^{15} + 2 q^{16} - 4 q^{24} - 2 q^{31} - 4 q^{34} - 2 q^{37} - 2 q^{40} - 2 q^{43} - 2 q^{46} + 2 q^{51} - 2 q^{54} + 4 q^{58} - 4 q^{64} - 2 q^{69} + 2 q^{73} + 2 q^{78} - 2 q^{79} + 4 q^{81} + 4 q^{82} - 2 q^{85} - 2 q^{87} - 4 q^{90} + 4 q^{94} - 2 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1911\mathbb{Z}\right)^\times\).

\(n\) \(638\) \(1471\) \(1522\)
\(\chi(n)\) \(-1\) \(-\zeta_{12}^{2}\) \(\zeta_{12}^{4}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
263.1
0.866025 0.500000i
−0.866025 + 0.500000i
0.866025 + 0.500000i
−0.866025 0.500000i
−0.866025 0.500000i 1.00000i 0 −0.866025 + 0.500000i 0.500000 0.866025i 0 1.00000i −1.00000 1.00000
263.2 0.866025 + 0.500000i 1.00000i 0 0.866025 0.500000i 0.500000 0.866025i 0 1.00000i −1.00000 1.00000
1010.1 −0.866025 + 0.500000i 1.00000i 0 −0.866025 0.500000i 0.500000 + 0.866025i 0 1.00000i −1.00000 1.00000
1010.2 0.866025 0.500000i 1.00000i 0 0.866025 + 0.500000i 0.500000 + 0.866025i 0 1.00000i −1.00000 1.00000
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
91.g even 3 1 inner
273.bm odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1911.1.bm.b 4
3.b odd 2 1 inner 1911.1.bm.b 4
7.b odd 2 1 273.1.bm.b yes 4
7.c even 3 1 1911.1.s.b 4
7.c even 3 1 1911.1.be.d 4
7.d odd 6 1 273.1.s.b 4
7.d odd 6 1 1911.1.be.c 4
13.c even 3 1 1911.1.s.b 4
21.c even 2 1 273.1.bm.b yes 4
21.g even 6 1 273.1.s.b 4
21.g even 6 1 1911.1.be.c 4
21.h odd 6 1 1911.1.s.b 4
21.h odd 6 1 1911.1.be.d 4
39.i odd 6 1 1911.1.s.b 4
91.b odd 2 1 3549.1.bm.c 4
91.g even 3 1 inner 1911.1.bm.b 4
91.h even 3 1 1911.1.be.d 4
91.i even 4 1 3549.1.x.b 4
91.i even 4 1 3549.1.x.d 4
91.l odd 6 1 3549.1.bk.c 4
91.m odd 6 1 273.1.bm.b yes 4
91.n odd 6 1 273.1.s.b 4
91.n odd 6 1 3549.1.bk.d 4
91.p odd 6 1 3549.1.bm.c 4
91.s odd 6 1 3549.1.s.b 4
91.t odd 6 1 3549.1.s.b 4
91.t odd 6 1 3549.1.bk.c 4
91.v odd 6 1 1911.1.be.c 4
91.v odd 6 1 3549.1.bk.d 4
91.w even 12 1 3549.1.x.b 4
91.w even 12 1 3549.1.x.d 4
91.ba even 12 1 3549.1.w.c 4
91.ba even 12 1 3549.1.w.e 4
91.bb even 12 1 3549.1.bp.b 4
91.bb even 12 1 3549.1.bp.d 4
91.bc even 12 1 3549.1.w.c 4
91.bc even 12 1 3549.1.w.e 4
91.bc even 12 1 3549.1.bp.b 4
91.bc even 12 1 3549.1.bp.d 4
273.g even 2 1 3549.1.bm.c 4
273.o odd 4 1 3549.1.x.b 4
273.o odd 4 1 3549.1.x.d 4
273.r even 6 1 1911.1.be.c 4
273.r even 6 1 3549.1.bk.d 4
273.s odd 6 1 1911.1.be.d 4
273.u even 6 1 3549.1.s.b 4
273.u even 6 1 3549.1.bk.c 4
273.y even 6 1 3549.1.bm.c 4
273.ba even 6 1 3549.1.s.b 4
273.bf even 6 1 273.1.bm.b yes 4
273.bm odd 6 1 inner 1911.1.bm.b 4
273.bn even 6 1 273.1.s.b 4
273.bn even 6 1 3549.1.bk.d 4
273.br even 6 1 3549.1.bk.c 4
273.bs odd 12 1 3549.1.w.c 4
273.bs odd 12 1 3549.1.w.e 4
273.ca odd 12 1 3549.1.w.c 4
273.ca odd 12 1 3549.1.w.e 4
273.ca odd 12 1 3549.1.bp.b 4
273.ca odd 12 1 3549.1.bp.d 4
273.cb odd 12 1 3549.1.bp.b 4
273.cb odd 12 1 3549.1.bp.d 4
273.ch odd 12 1 3549.1.x.b 4
273.ch odd 12 1 3549.1.x.d 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
273.1.s.b 4 7.d odd 6 1
273.1.s.b 4 21.g even 6 1
273.1.s.b 4 91.n odd 6 1
273.1.s.b 4 273.bn even 6 1
273.1.bm.b yes 4 7.b odd 2 1
273.1.bm.b yes 4 21.c even 2 1
273.1.bm.b yes 4 91.m odd 6 1
273.1.bm.b yes 4 273.bf even 6 1
1911.1.s.b 4 7.c even 3 1
1911.1.s.b 4 13.c even 3 1
1911.1.s.b 4 21.h odd 6 1
1911.1.s.b 4 39.i odd 6 1
1911.1.be.c 4 7.d odd 6 1
1911.1.be.c 4 21.g even 6 1
1911.1.be.c 4 91.v odd 6 1
1911.1.be.c 4 273.r even 6 1
1911.1.be.d 4 7.c even 3 1
1911.1.be.d 4 21.h odd 6 1
1911.1.be.d 4 91.h even 3 1
1911.1.be.d 4 273.s odd 6 1
1911.1.bm.b 4 1.a even 1 1 trivial
1911.1.bm.b 4 3.b odd 2 1 inner
1911.1.bm.b 4 91.g even 3 1 inner
1911.1.bm.b 4 273.bm odd 6 1 inner
3549.1.s.b 4 91.s odd 6 1
3549.1.s.b 4 91.t odd 6 1
3549.1.s.b 4 273.u even 6 1
3549.1.s.b 4 273.ba even 6 1
3549.1.w.c 4 91.ba even 12 1
3549.1.w.c 4 91.bc even 12 1
3549.1.w.c 4 273.bs odd 12 1
3549.1.w.c 4 273.ca odd 12 1
3549.1.w.e 4 91.ba even 12 1
3549.1.w.e 4 91.bc even 12 1
3549.1.w.e 4 273.bs odd 12 1
3549.1.w.e 4 273.ca odd 12 1
3549.1.x.b 4 91.i even 4 1
3549.1.x.b 4 91.w even 12 1
3549.1.x.b 4 273.o odd 4 1
3549.1.x.b 4 273.ch odd 12 1
3549.1.x.d 4 91.i even 4 1
3549.1.x.d 4 91.w even 12 1
3549.1.x.d 4 273.o odd 4 1
3549.1.x.d 4 273.ch odd 12 1
3549.1.bk.c 4 91.l odd 6 1
3549.1.bk.c 4 91.t odd 6 1
3549.1.bk.c 4 273.u even 6 1
3549.1.bk.c 4 273.br even 6 1
3549.1.bk.d 4 91.n odd 6 1
3549.1.bk.d 4 91.v odd 6 1
3549.1.bk.d 4 273.r even 6 1
3549.1.bk.d 4 273.bn even 6 1
3549.1.bm.c 4 91.b odd 2 1
3549.1.bm.c 4 91.p odd 6 1
3549.1.bm.c 4 273.g even 2 1
3549.1.bm.c 4 273.y even 6 1
3549.1.bp.b 4 91.bb even 12 1
3549.1.bp.b 4 91.bc even 12 1
3549.1.bp.b 4 273.ca odd 12 1
3549.1.bp.b 4 273.cb odd 12 1
3549.1.bp.d 4 91.bb even 12 1
3549.1.bp.d 4 91.bc even 12 1
3549.1.bp.d 4 273.ca odd 12 1
3549.1.bp.d 4 273.cb odd 12 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{4} - T_{2}^{2} + 1 \) acting on \(S_{1}^{\mathrm{new}}(1911, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$3$ \( (T^{2} + 1)^{2} \) Copy content Toggle raw display
$5$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$7$ \( T^{4} \) Copy content Toggle raw display
$11$ \( T^{4} \) Copy content Toggle raw display
$13$ \( (T - 1)^{4} \) Copy content Toggle raw display
$17$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$19$ \( T^{4} \) Copy content Toggle raw display
$23$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$29$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$31$ \( (T^{2} + T + 1)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} + T + 1)^{2} \) Copy content Toggle raw display
$41$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$43$ \( (T^{2} + T + 1)^{2} \) Copy content Toggle raw display
$47$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$53$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$59$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$61$ \( T^{4} \) Copy content Toggle raw display
$67$ \( T^{4} \) Copy content Toggle raw display
$71$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$73$ \( (T^{2} - T + 1)^{2} \) Copy content Toggle raw display
$79$ \( (T^{2} + T + 1)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} \) Copy content Toggle raw display
$89$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$97$ \( (T^{2} + T + 1)^{2} \) Copy content Toggle raw display
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