Properties

Label 363.3.h.c
Level $363$
Weight $3$
Character orbit 363.h
Analytic conductor $9.891$
Analytic rank $0$
Dimension $8$
CM discriminant -3
Inner twists $16$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [363,3,Mod(245,363)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(363, base_ring=CyclotomicField(10))
 
chi = DirichletCharacter(H, H._module([5, 8]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("363.245");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 363 = 3 \cdot 11^{2} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 363.h (of order \(10\), degree \(4\), 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: \(9.89103359628\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(2\) over \(\Q(\zeta_{10})\)
Coefficient field: 8.0.324000000.3
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} + 3x^{6} + 9x^{4} + 27x^{2} + 81 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{U}(1)[D_{10}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - 3 \beta_{6} - 3 \beta_{4} + \cdots - 3) q^{3}+ \cdots + 9 \beta_{6} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - 3 \beta_{6} - 3 \beta_{4} + \cdots - 3) q^{3}+ \cdots - 169 \beta_{6} q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 6 q^{3} - 8 q^{4} - 18 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 6 q^{3} - 8 q^{4} - 18 q^{9} + 96 q^{12} - 32 q^{16} - 50 q^{25} - 54 q^{27} + 118 q^{31} - 72 q^{36} + 94 q^{37} - 96 q^{48} - 52 q^{49} - 128 q^{64} + 104 q^{67} - 150 q^{75} - 162 q^{81} + 240 q^{91} + 354 q^{93} + 338 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} + 3x^{6} + 9x^{4} + 27x^{2} + 81 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{2} ) / 3 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{3} ) / 3 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{4} ) / 9 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( \nu^{5} ) / 9 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( \nu^{6} ) / 27 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( \nu^{7} ) / 27 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( 3\beta_{2} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 3\beta_{3} \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 9\beta_{4} \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 9\beta_{5} \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( 27\beta_{6} \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( 27\beta_{7} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/363\mathbb{Z}\right)^\times\).

\(n\) \(122\) \(244\)
\(\chi(n)\) \(-1\) \(\beta_{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
245.1
−1.40126 + 1.01807i
1.40126 1.01807i
−0.535233 + 1.64728i
0.535233 1.64728i
−0.535233 1.64728i
0.535233 + 1.64728i
−1.40126 1.01807i
1.40126 + 1.01807i
0 0.927051 + 2.85317i 1.23607 3.80423i 0 0 −2.67617 + 8.23639i 0 −7.28115 + 5.29007i 0
245.2 0 0.927051 + 2.85317i 1.23607 3.80423i 0 0 2.67617 8.23639i 0 −7.28115 + 5.29007i 0
251.1 0 −2.42705 + 1.76336i −3.23607 2.35114i 0 0 −7.00629 5.09037i 0 2.78115 8.55951i 0
251.2 0 −2.42705 + 1.76336i −3.23607 2.35114i 0 0 7.00629 + 5.09037i 0 2.78115 8.55951i 0
269.1 0 −2.42705 1.76336i −3.23607 + 2.35114i 0 0 −7.00629 + 5.09037i 0 2.78115 + 8.55951i 0
269.2 0 −2.42705 1.76336i −3.23607 + 2.35114i 0 0 7.00629 5.09037i 0 2.78115 + 8.55951i 0
323.1 0 0.927051 2.85317i 1.23607 + 3.80423i 0 0 −2.67617 8.23639i 0 −7.28115 5.29007i 0
323.2 0 0.927051 2.85317i 1.23607 + 3.80423i 0 0 2.67617 + 8.23639i 0 −7.28115 5.29007i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 245.2
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 CM by \(\Q(\sqrt{-3}) \)
11.b odd 2 1 inner
11.c even 5 3 inner
11.d odd 10 3 inner
33.d even 2 1 inner
33.f even 10 3 inner
33.h odd 10 3 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 363.3.h.c 8
3.b odd 2 1 CM 363.3.h.c 8
11.b odd 2 1 inner 363.3.h.c 8
11.c even 5 1 363.3.b.e 2
11.c even 5 3 inner 363.3.h.c 8
11.d odd 10 1 363.3.b.e 2
11.d odd 10 3 inner 363.3.h.c 8
33.d even 2 1 inner 363.3.h.c 8
33.f even 10 1 363.3.b.e 2
33.f even 10 3 inner 363.3.h.c 8
33.h odd 10 1 363.3.b.e 2
33.h odd 10 3 inner 363.3.h.c 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
363.3.b.e 2 11.c even 5 1
363.3.b.e 2 11.d odd 10 1
363.3.b.e 2 33.f even 10 1
363.3.b.e 2 33.h odd 10 1
363.3.h.c 8 1.a even 1 1 trivial
363.3.h.c 8 3.b odd 2 1 CM
363.3.h.c 8 11.b odd 2 1 inner
363.3.h.c 8 11.c even 5 3 inner
363.3.h.c 8 11.d odd 10 3 inner
363.3.h.c 8 33.d even 2 1 inner
363.3.h.c 8 33.f even 10 3 inner
363.3.h.c 8 33.h odd 10 3 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(363, [\chi])\):

\( T_{2} \) Copy content Toggle raw display
\( T_{5} \) Copy content Toggle raw display
\( T_{7}^{8} + 75T_{7}^{6} + 5625T_{7}^{4} + 421875T_{7}^{2} + 31640625 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( (T^{4} + 3 T^{3} + 9 T^{2} + \cdots + 81)^{2} \) Copy content Toggle raw display
$5$ \( T^{8} \) Copy content Toggle raw display
$7$ \( T^{8} + 75 T^{6} + \cdots + 31640625 \) Copy content Toggle raw display
$11$ \( T^{8} \) Copy content Toggle raw display
$13$ \( T^{8} + \cdots + 1358954496 \) Copy content Toggle raw display
$17$ \( T^{8} \) Copy content Toggle raw display
$19$ \( T^{8} + \cdots + 3063651608241 \) Copy content Toggle raw display
$23$ \( T^{8} \) Copy content Toggle raw display
$29$ \( T^{8} \) Copy content Toggle raw display
$31$ \( (T^{4} - 59 T^{3} + \cdots + 12117361)^{2} \) Copy content Toggle raw display
$37$ \( (T^{4} - 47 T^{3} + \cdots + 4879681)^{2} \) Copy content Toggle raw display
$41$ \( T^{8} \) Copy content Toggle raw display
$43$ \( (T^{2} - 6912)^{4} \) Copy content Toggle raw display
$47$ \( T^{8} \) Copy content Toggle raw display
$53$ \( T^{8} \) Copy content Toggle raw display
$59$ \( T^{8} \) Copy content Toggle raw display
$61$ \( T^{8} + \cdots + 3486784401 \) Copy content Toggle raw display
$67$ \( (T - 13)^{8} \) Copy content Toggle raw display
$71$ \( T^{8} \) Copy content Toggle raw display
$73$ \( T^{8} + \cdots + 565036352721 \) Copy content Toggle raw display
$79$ \( T^{8} + \cdots + 38\!\cdots\!01 \) Copy content Toggle raw display
$83$ \( T^{8} \) Copy content Toggle raw display
$89$ \( T^{8} \) Copy content Toggle raw display
$97$ \( (T^{4} - 169 T^{3} + \cdots + 815730721)^{2} \) Copy content Toggle raw display
show more
show less