Properties

Label 276.3.h.e
Level $276$
Weight $3$
Character orbit 276.h
Analytic conductor $7.520$
Analytic rank $0$
Dimension $6$
CM discriminant -23
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [276,3,Mod(275,276)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(276, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("276.275");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 276 = 2^{2} \cdot 3 \cdot 23 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 276.h (of order \(2\), degree \(1\), 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: \(7.52045529634\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: 6.0.8869743.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - 3x^{3} + 8 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{U}(1)[D_{2}]$

$q$-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.

\(f(q)\) \(=\) \( q + (\beta_{5} + \beta_{2}) q^{2} + (2 \beta_{5} + \beta_{2}) q^{3} + (2 \beta_{4} + \beta_1) q^{4} + (2 \beta_{4} + 3 \beta_1) q^{6} + (3 \beta_{3} - 5) q^{8} + (\beta_{4} + 6 \beta_1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_{5} + \beta_{2}) q^{2} + (2 \beta_{5} + \beta_{2}) q^{3} + (2 \beta_{4} + \beta_1) q^{4} + (2 \beta_{4} + 3 \beta_1) q^{6} + (3 \beta_{3} - 5) q^{8} + (\beta_{4} + 6 \beta_1) q^{9} + (5 \beta_{3} - 3) q^{12} + (2 \beta_{5} + 7 \beta_{4} + \cdots + 2 \beta_1) q^{13}+ \cdots + ( - 49 \beta_{5} - 49 \beta_{2}) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 21 q^{8}+O(q^{10}) \) Copy content Toggle raw display \( 6 q - 21 q^{8} - 3 q^{12} + 39 q^{18} + 138 q^{23} - 150 q^{25} - 87 q^{26} + 114 q^{27} - 42 q^{39} - 294 q^{49} + 309 q^{52} + 273 q^{58} + 156 q^{59} - 303 q^{62} - 237 q^{64} + 399 q^{78} - 129 q^{82} + 246 q^{87} - 546 q^{93} - 57 q^{94} - 507 q^{96}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - 3x^{3} + 8 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{5} + \nu^{2} ) / 4 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{3} - 1 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{4} - \nu ) / 2 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -\nu^{5} + 3\nu^{2} ) / 4 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{5} + \beta_{2} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{3} + 1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 2\beta_{4} + \beta_1 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( -\beta_{5} + 3\beta_{2} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/276\mathbb{Z}\right)^\times\).

\(n\) \(97\) \(139\) \(185\)
\(\chi(n)\) \(-1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
275.1
−0.261988 + 1.38973i
−0.261988 1.38973i
−1.07255 + 0.921756i
−1.07255 0.921756i
1.33454 0.467979i
1.33454 + 0.467979i
−1.86272 0.728188i −2.12471 2.11792i 2.93948 + 2.71283i 0 2.41551 + 5.49230i 0 −3.50000 7.19375i 0.0288070 + 8.99995i 0
275.2 −1.86272 + 0.728188i −2.12471 + 2.11792i 2.93948 2.71283i 0 2.41551 5.49230i 0 −3.50000 + 7.19375i 0.0288070 8.99995i 0
275.3 0.300733 1.97726i −0.771819 2.89902i −3.81912 1.18925i 0 −5.96422 + 0.654257i 0 −3.50000 + 7.19375i −7.80859 + 4.47503i 0
275.4 0.300733 + 1.97726i −0.771819 + 2.89902i −3.81912 + 1.18925i 0 −5.96422 0.654257i 0 −3.50000 7.19375i −7.80859 4.47503i 0
275.5 1.56199 1.24907i 2.89653 0.781094i 0.879635 3.90208i 0 3.54871 4.83804i 0 −3.50000 7.19375i 7.77979 4.52492i 0
275.6 1.56199 + 1.24907i 2.89653 + 0.781094i 0.879635 + 3.90208i 0 3.54871 + 4.83804i 0 −3.50000 + 7.19375i 7.77979 + 4.52492i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 275.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
23.b odd 2 1 CM by \(\Q(\sqrt{-23}) \)
12.b even 2 1 inner
276.h odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 276.3.h.e 6
3.b odd 2 1 276.3.h.f yes 6
4.b odd 2 1 276.3.h.f yes 6
12.b even 2 1 inner 276.3.h.e 6
23.b odd 2 1 CM 276.3.h.e 6
69.c even 2 1 276.3.h.f yes 6
92.b even 2 1 276.3.h.f yes 6
276.h odd 2 1 inner 276.3.h.e 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
276.3.h.e 6 1.a even 1 1 trivial
276.3.h.e 6 12.b even 2 1 inner
276.3.h.e 6 23.b odd 2 1 CM
276.3.h.e 6 276.h odd 2 1 inner
276.3.h.f yes 6 3.b odd 2 1
276.3.h.f yes 6 4.b odd 2 1
276.3.h.f yes 6 69.c even 2 1
276.3.h.f yes 6 92.b even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(276, [\chi])\):

\( T_{5} \) Copy content Toggle raw display
\( T_{47}^{3} - 6627T_{47} + 205342 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} + 7T^{3} + 64 \) Copy content Toggle raw display
$3$ \( T^{6} - 38T^{3} + 729 \) Copy content Toggle raw display
$5$ \( T^{6} \) Copy content Toggle raw display
$7$ \( T^{6} \) Copy content Toggle raw display
$11$ \( T^{6} \) Copy content Toggle raw display
$13$ \( (T^{3} - 507 T + 1082)^{2} \) Copy content Toggle raw display
$17$ \( T^{6} \) Copy content Toggle raw display
$19$ \( T^{6} \) Copy content Toggle raw display
$23$ \( (T - 23)^{6} \) Copy content Toggle raw display
$29$ \( T^{6} + \cdots + 1433976768 \) Copy content Toggle raw display
$31$ \( T^{6} + 5766 T^{4} + \cdots + 97982208 \) Copy content Toggle raw display
$37$ \( T^{6} \) Copy content Toggle raw display
$41$ \( T^{6} + \cdots + 17096491008 \) Copy content Toggle raw display
$43$ \( T^{6} \) Copy content Toggle raw display
$47$ \( (T^{3} - 6627 T + 205342)^{2} \) Copy content Toggle raw display
$53$ \( T^{6} \) Copy content Toggle raw display
$59$ \( (T - 26)^{6} \) Copy content Toggle raw display
$61$ \( T^{6} \) Copy content Toggle raw display
$67$ \( T^{6} \) Copy content Toggle raw display
$71$ \( (T^{3} - 15123 T + 667154)^{2} \) Copy content Toggle raw display
$73$ \( (T^{3} - 15987 T - 725042)^{2} \) Copy content Toggle raw display
$79$ \( T^{6} \) Copy content Toggle raw display
$83$ \( T^{6} \) Copy content Toggle raw display
$89$ \( T^{6} \) Copy content Toggle raw display
$97$ \( T^{6} \) Copy content Toggle raw display
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