Properties

Label 1859.1.i.b
Level $1859$
Weight $1$
Character orbit 1859.i
Analytic conductor $0.928$
Analytic rank $0$
Dimension $4$
Projective image $D_{5}$
CM discriminant -143
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1859,1,Mod(868,1859)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1859, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([3, 5]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1859.868");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1859 = 11 \cdot 13^{2} \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1859.i (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: \(0.927761858485\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\sqrt{-3}, \sqrt{5})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{3} + 2x^{2} + x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{4}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 143)
Projective image: \(D_{5}\)
Projective field: Galois closure of 5.1.20449.1
Artin image: $C_3\times D_5$
Artin field: Galois closure of \(\mathbb{Q}[x]/(x^{15} - \cdots)\)

$q$-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.

\(f(q)\) \(=\) \( q + ( - \beta_{3} + \beta_{2} + \beta_1) q^{2} + ( - \beta_{3} + \beta_{2} + \beta_1) q^{3} + ( - \beta_{3} + \beta_1 - 1) q^{4} + ( - 2 \beta_{3} + \beta_1 - 2) q^{6} + \beta_1 q^{7} - q^{8} + ( - \beta_{3} + \beta_1 - 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{3} + \beta_{2} + \beta_1) q^{2} + ( - \beta_{3} + \beta_{2} + \beta_1) q^{3} + ( - \beta_{3} + \beta_1 - 1) q^{4} + ( - 2 \beta_{3} + \beta_1 - 2) q^{6} + \beta_1 q^{7} - q^{8} + ( - \beta_{3} + \beta_1 - 1) q^{9} + \beta_{3} q^{11} + ( - \beta_{2} - 2) q^{12} - q^{14} + ( - \beta_{2} - 2) q^{18} + (\beta_{3} - \beta_1 + 1) q^{19} - q^{21} + (\beta_{3} - \beta_1 + 1) q^{22} + ( - \beta_{2} - \beta_1) q^{23} + (\beta_{3} - \beta_{2} - \beta_1) q^{24} + q^{25} - q^{27} + \beta_{3} q^{28} + ( - \beta_{3} - 1) q^{32} + (\beta_{3} - \beta_1 + 1) q^{33} + (2 \beta_{3} - \beta_{2} - \beta_1) q^{36} + (\beta_{2} + 2) q^{38} + ( - \beta_{2} - \beta_1) q^{41} + (\beta_{3} - \beta_{2} - \beta_1) q^{42} + (\beta_{2} + 1) q^{44} + (\beta_{3} + 1) q^{46} + (\beta_{2} + \beta_1) q^{49} + ( - \beta_{3} + \beta_{2} + \beta_1) q^{50} + ( - \beta_{2} - 1) q^{53} + (\beta_{3} - \beta_{2} - \beta_1) q^{54} - \beta_1 q^{56} + (\beta_{2} + 2) q^{57} + \beta_{3} q^{63} + ( - \beta_{2} - 1) q^{64} + (\beta_{2} + 2) q^{66} + (\beta_{3} + 1) q^{69} + (\beta_{3} - \beta_1 + 1) q^{72} + ( - \beta_{2} - 1) q^{73} + ( - \beta_{3} + \beta_{2} + \beta_1) q^{75} + ( - 2 \beta_{3} + \beta_{2} + \beta_1) q^{76} + \beta_{2} q^{77} + (\beta_{3} + 1) q^{82} + \beta_{2} q^{83} + (\beta_{3} - \beta_1 + 1) q^{84} - \beta_{3} q^{88} + q^{92} + ( - \beta_{2} - 1) q^{96} + ( - \beta_{3} - 1) q^{98} + (\beta_{2} + 1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + q^{2} + q^{3} - q^{4} - 3 q^{6} + q^{7} - 4 q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + q^{2} + q^{3} - q^{4} - 3 q^{6} + q^{7} - 4 q^{8} - q^{9} - 2 q^{11} - 6 q^{12} - 4 q^{14} - 6 q^{18} + q^{19} - 4 q^{21} + q^{22} + q^{23} - q^{24} + 4 q^{25} - 4 q^{27} - 2 q^{28} - 2 q^{32} + q^{33} - 3 q^{36} + 6 q^{38} + q^{41} - q^{42} + 2 q^{44} + 2 q^{46} - q^{49} + q^{50} - 2 q^{53} - q^{54} - q^{56} + 6 q^{57} - 2 q^{63} - 2 q^{64} + 6 q^{66} + 2 q^{69} + q^{72} - 2 q^{73} + q^{75} + 3 q^{76} - 2 q^{77} + 2 q^{82} - 2 q^{83} + q^{84} + 2 q^{88} + 4 q^{92} - 2 q^{96} - 2 q^{98} + 2 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - x^{3} + 2x^{2} + x + 1 \) : Copy content Toggle raw display

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

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1859\mathbb{Z}\right)^\times\).

\(n\) \(508\) \(1354\)
\(\chi(n)\) \(-1\) \(1 + \beta_{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
868.1
0.809017 1.40126i
−0.309017 + 0.535233i
0.809017 + 1.40126i
−0.309017 0.535233i
−0.309017 0.535233i −0.309017 0.535233i 0.309017 0.535233i 0 −0.190983 + 0.330792i 0.809017 1.40126i −1.00000 0.309017 0.535233i 0
868.2 0.809017 + 1.40126i 0.809017 + 1.40126i −0.809017 + 1.40126i 0 −1.30902 + 2.26728i −0.309017 + 0.535233i −1.00000 −0.809017 + 1.40126i 0
1330.1 −0.309017 + 0.535233i −0.309017 + 0.535233i 0.309017 + 0.535233i 0 −0.190983 0.330792i 0.809017 + 1.40126i −1.00000 0.309017 + 0.535233i 0
1330.2 0.809017 1.40126i 0.809017 1.40126i −0.809017 1.40126i 0 −1.30902 2.26728i −0.309017 0.535233i −1.00000 −0.809017 1.40126i 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
143.d odd 2 1 CM by \(\Q(\sqrt{-143}) \)
13.c even 3 1 inner
143.i odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1859.1.i.b 4
11.b odd 2 1 1859.1.i.a 4
13.b even 2 1 1859.1.i.a 4
13.c even 3 1 143.1.d.a 2
13.c even 3 1 inner 1859.1.i.b 4
13.d odd 4 2 1859.1.k.c 8
13.e even 6 1 143.1.d.b yes 2
13.e even 6 1 1859.1.i.a 4
13.f odd 12 2 1859.1.c.c 4
13.f odd 12 2 1859.1.k.c 8
39.h odd 6 1 1287.1.g.a 2
39.i odd 6 1 1287.1.g.b 2
52.i odd 6 1 2288.1.m.a 2
52.j odd 6 1 2288.1.m.b 2
65.l even 6 1 3575.1.h.e 2
65.n even 6 1 3575.1.h.f 2
65.q odd 12 2 3575.1.c.d 4
65.r odd 12 2 3575.1.c.c 4
143.d odd 2 1 CM 1859.1.i.b 4
143.g even 4 2 1859.1.k.c 8
143.i odd 6 1 143.1.d.a 2
143.i odd 6 1 inner 1859.1.i.b 4
143.k odd 6 1 143.1.d.b yes 2
143.k odd 6 1 1859.1.i.a 4
143.o even 12 2 1859.1.c.c 4
143.o even 12 2 1859.1.k.c 8
143.q even 15 2 1573.1.l.b 4
143.q even 15 2 1573.1.l.d 4
143.t odd 30 2 1573.1.l.a 4
143.t odd 30 2 1573.1.l.c 4
143.u even 30 2 1573.1.l.a 4
143.u even 30 2 1573.1.l.c 4
143.v odd 30 2 1573.1.l.b 4
143.v odd 30 2 1573.1.l.d 4
429.p even 6 1 1287.1.g.a 2
429.t even 6 1 1287.1.g.b 2
572.s even 6 1 2288.1.m.b 2
572.t even 6 1 2288.1.m.a 2
715.x odd 6 1 3575.1.h.e 2
715.bb odd 6 1 3575.1.h.f 2
715.bo even 12 2 3575.1.c.d 4
715.bq even 12 2 3575.1.c.c 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
143.1.d.a 2 13.c even 3 1
143.1.d.a 2 143.i odd 6 1
143.1.d.b yes 2 13.e even 6 1
143.1.d.b yes 2 143.k odd 6 1
1287.1.g.a 2 39.h odd 6 1
1287.1.g.a 2 429.p even 6 1
1287.1.g.b 2 39.i odd 6 1
1287.1.g.b 2 429.t even 6 1
1573.1.l.a 4 143.t odd 30 2
1573.1.l.a 4 143.u even 30 2
1573.1.l.b 4 143.q even 15 2
1573.1.l.b 4 143.v odd 30 2
1573.1.l.c 4 143.t odd 30 2
1573.1.l.c 4 143.u even 30 2
1573.1.l.d 4 143.q even 15 2
1573.1.l.d 4 143.v odd 30 2
1859.1.c.c 4 13.f odd 12 2
1859.1.c.c 4 143.o even 12 2
1859.1.i.a 4 11.b odd 2 1
1859.1.i.a 4 13.b even 2 1
1859.1.i.a 4 13.e even 6 1
1859.1.i.a 4 143.k odd 6 1
1859.1.i.b 4 1.a even 1 1 trivial
1859.1.i.b 4 13.c even 3 1 inner
1859.1.i.b 4 143.d odd 2 1 CM
1859.1.i.b 4 143.i odd 6 1 inner
1859.1.k.c 8 13.d odd 4 2
1859.1.k.c 8 13.f odd 12 2
1859.1.k.c 8 143.g even 4 2
1859.1.k.c 8 143.o even 12 2
2288.1.m.a 2 52.i odd 6 1
2288.1.m.a 2 572.t even 6 1
2288.1.m.b 2 52.j odd 6 1
2288.1.m.b 2 572.s even 6 1
3575.1.c.c 4 65.r odd 12 2
3575.1.c.c 4 715.bq even 12 2
3575.1.c.d 4 65.q odd 12 2
3575.1.c.d 4 715.bo even 12 2
3575.1.h.e 2 65.l even 6 1
3575.1.h.e 2 715.x odd 6 1
3575.1.h.f 2 65.n even 6 1
3575.1.h.f 2 715.bb odd 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{4} - T_{2}^{3} + 2T_{2}^{2} + T_{2} + 1 \) acting on \(S_{1}^{\mathrm{new}}(1859, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

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