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Properties

Label 3636.1.h.d
Level $3636$
Weight $1$
Character orbit 3636.h
Analytic conductor $1.815$
Analytic rank $0$
Dimension $8$
Projective image $D_{10}$
CM discriminant -303
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3636,1,Mod(2827,3636)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3636, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0, 1]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3636.2827");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3636 = 2^{2} \cdot 3^{2} \cdot 101 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 3636.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: \(1.81460038593\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: \(\Q(\zeta_{20})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - x^{6} + x^{4} - x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{10}\)
Projective field: Galois closure of 10.0.8631185900544.1

$q$-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.

\(f(q)\) \(=\) \( q - \zeta_{20} q^{2} + \zeta_{20}^{2} q^{4} - \zeta_{20}^{3} q^{8} +O(q^{10}) \) Copy content Toggle raw display \( q - \zeta_{20} q^{2} + \zeta_{20}^{2} q^{4} - \zeta_{20}^{3} q^{8} + (\zeta_{20}^{7} - \zeta_{20}^{3}) q^{11} + (\zeta_{20}^{6} - \zeta_{20}^{4}) q^{13} + \zeta_{20}^{4} q^{16} + (\zeta_{20}^{8} + \zeta_{20}^{2}) q^{19} + ( - \zeta_{20}^{8} + \zeta_{20}^{4}) q^{22} - q^{25} + ( - \zeta_{20}^{7} + \zeta_{20}^{5}) q^{26} + ( - \zeta_{20}^{7} - \zeta_{20}^{3}) q^{29} + ( - \zeta_{20}^{6} - \zeta_{20}^{4}) q^{31} - \zeta_{20}^{5} q^{32} + ( - \zeta_{20}^{8} + \zeta_{20}^{2}) q^{37} + ( - \zeta_{20}^{9} - \zeta_{20}^{3}) q^{38} + ( - \zeta_{20}^{9} - \zeta_{20}) q^{41} + ( - \zeta_{20}^{6} - \zeta_{20}^{4}) q^{43} + (\zeta_{20}^{9} - \zeta_{20}^{5}) q^{44} - q^{49} + \zeta_{20} q^{50} + (\zeta_{20}^{8} - \zeta_{20}^{6}) q^{52} + (\zeta_{20}^{9} + \zeta_{20}) q^{53} + (\zeta_{20}^{8} + \zeta_{20}^{4}) q^{58} + (\zeta_{20}^{9} - \zeta_{20}) q^{59} + (\zeta_{20}^{7} + \zeta_{20}^{5}) q^{62} + \zeta_{20}^{6} q^{64} + (\zeta_{20}^{9} - \zeta_{20}^{3}) q^{74} + (\zeta_{20}^{4} - 1) q^{76} + ( - \zeta_{20}^{8} - \zeta_{20}^{2}) q^{79} + (\zeta_{20}^{2} - 1) q^{82} + ( - \zeta_{20}^{9} + \zeta_{20}) q^{83} + (\zeta_{20}^{7} + \zeta_{20}^{5}) q^{86} + (\zeta_{20}^{6} + 1) q^{88} + ( - \zeta_{20}^{7} - \zeta_{20}^{3}) q^{89} + (\zeta_{20}^{6} - \zeta_{20}^{4}) q^{97} + \zeta_{20} q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q + 2 q^{4}+O(q^{10}) \) Copy content Toggle raw display \( 8 q + 2 q^{4} + 4 q^{13} - 2 q^{16} - 8 q^{25} + 4 q^{37} - 8 q^{49} - 4 q^{52} - 4 q^{58} + 2 q^{64} - 10 q^{76} - 6 q^{82} + 10 q^{88} + 4 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Display 100 coefficients 10 coefficients

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3636\mathbb{Z}\right)^\times\).

\(n\) \(1819\) \(3133\) \(3233\)
\(\chi(n)\) \(-1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
2827.1
0.951057 + 0.309017i
0.951057 − 0.309017i
0.587785 + 0.809017i
0.587785 − 0.809017i
−0.587785 + 0.809017i
−0.587785 − 0.809017i
−0.951057 + 0.309017i
−0.951057 − 0.309017i
−0.951057 − 0.309017i 0 0.809017 + 0.587785i 0 0 0 −0.587785 − 0.809017i 0 0
2827.2 −0.951057 + 0.309017i 0 0.809017 − 0.587785i 0 0 0 −0.587785 + 0.809017i 0 0
2827.3 −0.587785 − 0.809017i 0 −0.309017 + 0.951057i 0 0 0 0.951057 − 0.309017i 0 0
2827.4 −0.587785 + 0.809017i 0 −0.309017 − 0.951057i 0 0 0 0.951057 + 0.309017i 0 0
2827.5 0.587785 − 0.809017i 0 −0.309017 − 0.951057i 0 0 0 −0.951057 − 0.309017i 0 0
2827.6 0.587785 + 0.809017i 0 −0.309017 + 0.951057i 0 0 0 −0.951057 + 0.309017i 0 0
2827.7 0.951057 − 0.309017i 0 0.809017 − 0.587785i 0 0 0 0.587785 − 0.809017i 0 0
2827.8 0.951057 + 0.309017i 0 0.809017 + 0.587785i 0 0 0 0.587785 + 0.809017i 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 2827.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
303.d odd 2 1 CM by \(\Q(\sqrt{-303}) \)
3.b odd 2 1 inner
4.b odd 2 1 inner
12.b even 2 1 inner
101.b even 2 1 inner
404.d odd 2 1 inner
1212.d even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3636.1.h.d ✓ 8
3.b odd 2 1 inner 3636.1.h.d ✓ 8
4.b odd 2 1 inner 3636.1.h.d ✓ 8
12.b even 2 1 inner 3636.1.h.d ✓ 8
101.b even 2 1 inner 3636.1.h.d ✓ 8
303.d odd 2 1 CM 3636.1.h.d ✓ 8
404.d odd 2 1 inner 3636.1.h.d ✓ 8
1212.d even 2 1 inner 3636.1.h.d ✓ 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3636.1.h.d ✓ 8 1.a even 1 1 trivial
3636.1.h.d ✓ 8 3.b odd 2 1 inner
3636.1.h.d ✓ 8 4.b odd 2 1 inner
3636.1.h.d ✓ 8 12.b even 2 1 inner
3636.1.h.d ✓ 8 101.b even 2 1 inner
3636.1.h.d ✓ 8 303.d odd 2 1 CM
3636.1.h.d ✓ 8 404.d odd 2 1 inner
3636.1.h.d ✓ 8 1212.d even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{1}^{\mathrm{new}}(3636, [\chi])\):

\( T_{5} \) Copy content Toggle raw display
\( T_{7} \) Copy content Toggle raw display
\( T_{11}^{4} - 5T_{11}^{2} + 5 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} - T^{6} + T^{4} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{8} \) Copy content Toggle raw display
$5$ \( T^{8} \) Copy content Toggle raw display
$7$ \( T^{8} \) Copy content Toggle raw display
$11$ \( (T^{4} - 5 T^{2} + 5)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} - T - 1)^{4} \) Copy content Toggle raw display
$17$ \( T^{8} \) Copy content Toggle raw display
$19$ \( (T^{4} + 5 T^{2} + 5)^{2} \) Copy content Toggle raw display
$23$ \( T^{8} \) Copy content Toggle raw display
$29$ \( (T^{4} + 3 T^{2} + 1)^{2} \) Copy content Toggle raw display
$31$ \( (T^{4} + 5 T^{2} + 5)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} - T - 1)^{4} \) Copy content Toggle raw display
$41$ \( (T^{4} + 3 T^{2} + 1)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} + 5 T^{2} + 5)^{2} \) Copy content Toggle raw display
$47$ \( T^{8} \) Copy content Toggle raw display
$53$ \( (T^{4} + 3 T^{2} + 1)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} - 5 T^{2} + 5)^{2} \) Copy content Toggle raw display
$61$ \( T^{8} \) Copy content Toggle raw display
$67$ \( T^{8} \) Copy content Toggle raw display
$71$ \( T^{8} \) Copy content Toggle raw display
$73$ \( T^{8} \) Copy content Toggle raw display
$79$ \( (T^{4} + 5 T^{2} + 5)^{2} \) Copy content Toggle raw display
$83$ \( (T^{4} - 5 T^{2} + 5)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} + 3 T^{2} + 1)^{2} \) Copy content Toggle raw display
$97$ \( (T^{2} - T - 1)^{4} \) Copy content Toggle raw display
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