Properties

Label 763.2.c.b
Level $763$
Weight $2$
Character orbit 763.c
Analytic conductor $6.093$
Analytic rank $0$
Dimension $28$
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [763,2,Mod(435,763)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(763, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("763.435");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 763 = 7 \cdot 109 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 763.c (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: \(6.09258567422\)
Analytic rank: \(0\)
Dimension: \(28\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

The algebraic \(q\)-expansion of this newform has not been computed, but we have computed the trace expansion.

\(\operatorname{Tr}(f)(q) = \) \( 28 q - 18 q^{4} + 2 q^{5} - 28 q^{7} + 28 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 28 q - 18 q^{4} + 2 q^{5} - 28 q^{7} + 28 q^{9} + 2 q^{12} - 2 q^{15} + 18 q^{16} + 22 q^{20} - 4 q^{22} + 22 q^{25} + 24 q^{26} - 18 q^{27} + 18 q^{28} - 18 q^{29} - 24 q^{31} + 2 q^{34} - 2 q^{35} - 20 q^{36} + 50 q^{38} - 28 q^{43} + 58 q^{45} + 28 q^{46} - 26 q^{48} + 28 q^{49} + 34 q^{60} - 18 q^{61} - 28 q^{63} - 28 q^{64} - 14 q^{66} - 2 q^{71} + 10 q^{73} - 46 q^{74} - 44 q^{75} - 76 q^{78} - 88 q^{80} + 20 q^{81} - 24 q^{82} + 26 q^{83} - 2 q^{84} + 86 q^{87} + 20 q^{88} + 44 q^{89} - 90 q^{93} + 8 q^{94} + 40 q^{97}+O(q^{100}) \) Copy content Toggle raw display

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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
435.1 2.72335i −2.24541 −5.41663 −0.508233 6.11503i −1.00000 9.30468i 2.04186 1.38410i
435.2 2.60208i 1.74623 −4.77080 −2.83819 4.54382i −1.00000 7.20983i 0.0493198 7.38520i
435.3 2.03111i 1.16381 −2.12542 −0.790334 2.36383i −1.00000 0.254743i −1.64555 1.60526i
435.4 2.03010i −0.527316 −2.12129 1.66866 1.07050i −1.00000 0.246225i −2.72194 3.38754i
435.5 2.01326i 2.92249 −2.05321 2.30449 5.88374i −1.00000 0.107119i 5.54098 4.63954i
435.6 1.74938i −1.50489 −1.06034 −3.61345 2.63263i −1.00000 1.64382i −0.735304 6.32131i
435.7 1.69948i −3.20546 −0.888226 3.89077 5.44761i −1.00000 1.88944i 7.27497 6.61227i
435.8 1.40921i 1.77451 0.0141177 1.75083 2.50066i −1.00000 2.83832i 0.148878 2.46729i
435.9 1.13244i −0.497369 0.717586 −1.01001 0.563239i −1.00000 3.07750i −2.75262 1.14377i
435.10 0.626400i 0.950191 1.60762 −3.22959 0.595200i −1.00000 2.25982i −2.09714 2.02301i
435.11 0.602737i 3.01902 1.63671 −0.478153 1.81967i −1.00000 2.19198i 6.11448 0.288201i
435.12 0.524750i −1.68921 1.72464 1.57634 0.886415i −1.00000 1.95450i −0.146554 0.827182i
435.13 0.493199i −2.83891 1.75675 −1.68559 1.40015i −1.00000 1.85283i 5.05941 0.831329i
435.14 0.146670i 0.932315 1.97849 3.96246 0.136743i −1.00000 0.583524i −2.13079 0.581174i
435.15 0.146670i 0.932315 1.97849 3.96246 0.136743i −1.00000 0.583524i −2.13079 0.581174i
435.16 0.493199i −2.83891 1.75675 −1.68559 1.40015i −1.00000 1.85283i 5.05941 0.831329i
435.17 0.524750i −1.68921 1.72464 1.57634 0.886415i −1.00000 1.95450i −0.146554 0.827182i
435.18 0.602737i 3.01902 1.63671 −0.478153 1.81967i −1.00000 2.19198i 6.11448 0.288201i
435.19 0.626400i 0.950191 1.60762 −3.22959 0.595200i −1.00000 2.25982i −2.09714 2.02301i
435.20 1.13244i −0.497369 0.717586 −1.01001 0.563239i −1.00000 3.07750i −2.75262 1.14377i
See all 28 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 435.28
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
109.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 763.2.c.b 28
109.b even 2 1 inner 763.2.c.b 28
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
763.2.c.b 28 1.a even 1 1 trivial
763.2.c.b 28 109.b even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{28} + 37 T_{2}^{26} + 597 T_{2}^{24} + 5534 T_{2}^{22} + 32672 T_{2}^{20} + 128663 T_{2}^{18} + \cdots + 16 \) acting on \(S_{2}^{\mathrm{new}}(763, [\chi])\). Copy content Toggle raw display