Properties

Label 795.1.x.b
Level $795$
Weight $1$
Character orbit 795.x
Analytic conductor $0.397$
Analytic rank $0$
Dimension $12$
Projective image $D_{13}$
CM discriminant -15
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [795,1,Mod(44,795)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(795, base_ring=CyclotomicField(26))
 
chi = DirichletCharacter(H, H._module([13, 13, 4]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("795.44");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 795 = 3 \cdot 5 \cdot 53 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 795.x (of order \(26\), degree \(12\), 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: \(0.396756685043\)
Analytic rank: \(0\)
Dimension: \(12\)
Coefficient field: \(\Q(\zeta_{26})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - x^{11} + x^{10} - x^{9} + x^{8} - x^{7} + x^{6} - x^{5} + x^{4} - x^{3} + x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{13}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{13} - \cdots)\)

$q$-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.

\(f(q)\) \(=\) \( q + ( - \zeta_{26}^{10} + \zeta_{26}^{7}) q^{2} - \zeta_{26}^{8} q^{3} + ( - \zeta_{26}^{7} + \zeta_{26}^{4} - \zeta_{26}) q^{4} + \zeta_{26}^{3} q^{5} + ( - \zeta_{26}^{5} + \zeta_{26}^{2}) q^{6} + (\zeta_{26}^{11} - \zeta_{26}^{8} + \cdots - \zeta_{26}) q^{8} + \cdots - \zeta_{26}^{3} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + ( - \zeta_{26}^{10} + \zeta_{26}^{7}) q^{2} - \zeta_{26}^{8} q^{3} + ( - \zeta_{26}^{7} + \zeta_{26}^{4} - \zeta_{26}) q^{4} + \zeta_{26}^{3} q^{5} + ( - \zeta_{26}^{5} + \zeta_{26}^{2}) q^{6} + (\zeta_{26}^{11} - \zeta_{26}^{8} + \cdots - \zeta_{26}) q^{8} + \cdots + (\zeta_{26}^{11} + \zeta_{26}) q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q + 2 q^{2} + q^{3} - 3 q^{4} + q^{5} - 2 q^{6} + 4 q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 12 q + 2 q^{2} + q^{3} - 3 q^{4} + q^{5} - 2 q^{6} + 4 q^{8} - q^{9} + 11 q^{10} + 3 q^{12} - q^{15} - 5 q^{16} + 2 q^{17} - 11 q^{18} - 2 q^{19} + 3 q^{20} + 2 q^{23} - 4 q^{24} - q^{25} + q^{27} + 2 q^{30} - 2 q^{31} + 6 q^{32} - 4 q^{34} - 3 q^{36} + 4 q^{38} - 4 q^{40} + q^{45} - 4 q^{46} + 2 q^{47} - 8 q^{48} - q^{49} - 11 q^{50} - 2 q^{51} + q^{53} - 2 q^{54} + 2 q^{57} - 3 q^{60} + 11 q^{61} - 9 q^{62} - 7 q^{64} - 7 q^{68} - 2 q^{69} + 4 q^{72} + q^{75} - 6 q^{76} - 2 q^{79} + 5 q^{80} - q^{81} + 2 q^{83} - 2 q^{85} + 11 q^{90} - 7 q^{92} + 2 q^{93} + 9 q^{94} - 11 q^{95} + 7 q^{96} + 2 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/795\mathbb{Z}\right)^\times\).

\(n\) \(266\) \(637\) \(691\)
\(\chi(n)\) \(-1\) \(-1\) \(\zeta_{26}^{4}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
44.1
0.970942 + 0.239316i
−0.885456 + 0.464723i
0.748511 + 0.663123i
−0.885456 0.464723i
−0.568065 0.822984i
0.748511 0.663123i
−0.120537 0.992709i
0.970942 0.239316i
−0.568065 + 0.822984i
−0.120537 + 0.992709i
0.354605 + 0.935016i
0.354605 0.935016i
0.627974 + 0.329586i 0.354605 0.935016i −0.282340 0.409041i 0.748511 + 0.663123i 0.530851 0.470293i 0 −0.127974 1.05396i −0.748511 0.663123i 0.251489 + 0.663123i
89.1 0.850405 1.23202i 0.748511 0.663123i −0.440091 1.16042i −0.120537 + 0.992709i −0.180446 1.48611i 0 −0.350405 0.0863671i 0.120537 0.992709i 1.12054 + 0.992709i
119.1 −0.213460 1.75800i −0.885456 + 0.464723i −2.07406 + 0.511209i −0.568065 + 0.822984i 1.00599 + 1.45743i 0 0.713460 + 1.88124i 0.568065 0.822984i 1.56806 + 0.822984i
134.1 0.850405 + 1.23202i 0.748511 + 0.663123i −0.440091 + 1.16042i −0.120537 0.992709i −0.180446 + 1.48611i 0 −0.350405 + 0.0863671i 0.120537 + 0.992709i 1.12054 0.992709i
254.1 0.0854858 0.225408i −0.120537 0.992709i 0.705010 + 0.624584i 0.970942 0.239316i −0.234068 0.0576926i 0 0.414514 0.217554i −0.970942 + 0.239316i 0.0290582 0.239316i
314.1 −0.213460 + 1.75800i −0.885456 0.464723i −2.07406 0.511209i −0.568065 0.822984i 1.00599 1.45743i 0 0.713460 1.88124i 0.568065 + 0.822984i 1.56806 0.822984i
434.1 1.10312 0.271894i −0.568065 + 0.822984i 0.257482 0.135137i 0.354605 + 0.935016i −0.402877 + 1.06230i 0 −0.603116 + 0.534314i −0.354605 0.935016i 0.645395 + 0.935016i
524.1 0.627974 0.329586i 0.354605 + 0.935016i −0.282340 + 0.409041i 0.748511 0.663123i 0.530851 + 0.470293i 0 −0.127974 + 1.05396i −0.748511 + 0.663123i 0.251489 0.663123i
554.1 0.0854858 + 0.225408i −0.120537 + 0.992709i 0.705010 0.624584i 0.970942 + 0.239316i −0.234068 + 0.0576926i 0 0.414514 + 0.217554i −0.970942 0.239316i 0.0290582 + 0.239316i
599.1 1.10312 + 0.271894i −0.568065 0.822984i 0.257482 + 0.135137i 0.354605 0.935016i −0.402877 1.06230i 0 −0.603116 0.534314i −0.354605 + 0.935016i 0.645395 0.935016i
629.1 −1.45352 + 1.28771i 0.970942 + 0.239316i 0.333997 2.75071i −0.885456 0.464723i −1.71945 + 0.902438i 0 1.95352 + 2.83016i 0.885456 + 0.464723i 1.88546 0.464723i
704.1 −1.45352 1.28771i 0.970942 0.239316i 0.333997 + 2.75071i −0.885456 + 0.464723i −1.71945 0.902438i 0 1.95352 2.83016i 0.885456 0.464723i 1.88546 + 0.464723i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 44.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
15.d odd 2 1 CM by \(\Q(\sqrt{-15}) \)
53.d even 13 1 inner
795.x odd 26 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 795.1.x.b yes 12
3.b odd 2 1 795.1.x.a 12
5.b even 2 1 795.1.x.a 12
5.c odd 4 2 3975.1.bt.a 24
15.d odd 2 1 CM 795.1.x.b yes 12
15.e even 4 2 3975.1.bt.a 24
53.d even 13 1 inner 795.1.x.b yes 12
159.j odd 26 1 795.1.x.a 12
265.n even 26 1 795.1.x.a 12
265.q odd 52 2 3975.1.bt.a 24
795.x odd 26 1 inner 795.1.x.b yes 12
795.bi even 52 2 3975.1.bt.a 24
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
795.1.x.a 12 3.b odd 2 1
795.1.x.a 12 5.b even 2 1
795.1.x.a 12 159.j odd 26 1
795.1.x.a 12 265.n even 26 1
795.1.x.b yes 12 1.a even 1 1 trivial
795.1.x.b yes 12 15.d odd 2 1 CM
795.1.x.b yes 12 53.d even 13 1 inner
795.1.x.b yes 12 795.x odd 26 1 inner
3975.1.bt.a 24 5.c odd 4 2
3975.1.bt.a 24 15.e even 4 2
3975.1.bt.a 24 265.q odd 52 2
3975.1.bt.a 24 795.bi even 52 2

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{12} - 2 T_{2}^{11} + 4 T_{2}^{10} - 8 T_{2}^{9} + 16 T_{2}^{8} - 32 T_{2}^{7} + 64 T_{2}^{6} + \cdots + 1 \) acting on \(S_{1}^{\mathrm{new}}(795, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} - 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{12} - T^{11} + \cdots + 1 \) Copy content Toggle raw display
$5$ \( T^{12} - T^{11} + \cdots + 1 \) Copy content Toggle raw display
$7$ \( T^{12} \) Copy content Toggle raw display
$11$ \( T^{12} \) Copy content Toggle raw display
$13$ \( T^{12} \) Copy content Toggle raw display
$17$ \( T^{12} - 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$19$ \( T^{12} + 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$23$ \( (T^{6} - T^{5} - 5 T^{4} + \cdots - 1)^{2} \) Copy content Toggle raw display
$29$ \( T^{12} \) Copy content Toggle raw display
$31$ \( T^{12} + 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$37$ \( T^{12} \) Copy content Toggle raw display
$41$ \( T^{12} \) Copy content Toggle raw display
$43$ \( T^{12} \) Copy content Toggle raw display
$47$ \( T^{12} - 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$53$ \( T^{12} - T^{11} + \cdots + 1 \) Copy content Toggle raw display
$59$ \( T^{12} \) Copy content Toggle raw display
$61$ \( T^{12} - 11 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$67$ \( T^{12} \) Copy content Toggle raw display
$71$ \( T^{12} \) Copy content Toggle raw display
$73$ \( T^{12} \) Copy content Toggle raw display
$79$ \( T^{12} + 2 T^{11} + \cdots + 1 \) Copy content Toggle raw display
$83$ \( (T^{6} - T^{5} - 5 T^{4} + \cdots - 1)^{2} \) Copy content Toggle raw display
$89$ \( T^{12} \) Copy content Toggle raw display
$97$ \( T^{12} \) Copy content Toggle raw display
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