Properties

Label 1915.2.c.a
Level $1915$
Weight $2$
Character orbit 1915.c
Analytic conductor $15.291$
Analytic rank $0$
Dimension $190$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1915,2,Mod(384,1915)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1915, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1915.384");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1915 = 5 \cdot 383 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1915.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: \(15.2913519871\)
Analytic rank: \(0\)
Dimension: \(190\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.

\(\operatorname{Tr}(f)(q) = \) \( 190 q - 188 q^{4} - 4 q^{6} - 186 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 190 q - 188 q^{4} - 4 q^{6} - 186 q^{9} - 6 q^{10} - 4 q^{11} + 12 q^{14} - 8 q^{15} + 192 q^{16} + 8 q^{19} - 24 q^{20} + 40 q^{24} - 4 q^{25} + 16 q^{26} + 8 q^{29} - 6 q^{30} - 12 q^{31} + 4 q^{35} + 136 q^{36} + 8 q^{39} + 12 q^{40} - 16 q^{41} - 16 q^{44} - 12 q^{45} - 154 q^{49} - 2 q^{50} + 16 q^{51} + 16 q^{54} + 4 q^{55} - 28 q^{59} + 34 q^{60} - 20 q^{61} - 204 q^{64} - 12 q^{65} + 40 q^{66} + 28 q^{69} + 2 q^{70} - 24 q^{71} - 20 q^{74} + 22 q^{75} - 64 q^{76} - 12 q^{79} + 46 q^{80} + 142 q^{81} - 8 q^{84} + 8 q^{85} + 12 q^{86} + 28 q^{89} + 32 q^{90} + 28 q^{91} + 16 q^{94} + 28 q^{95} - 84 q^{96} - 20 q^{99}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
384.1 2.82450i 2.32912i −5.97781 −2.19713 + 0.415456i 6.57859 0.620081i 11.2353i −2.42478 1.17345 + 6.20581i
384.2 2.77261i 0.285202i −5.68734 0.700664 + 2.12346i −0.790752 2.79046i 10.2235i 2.91866 5.88751 1.94267i
384.3 2.74379i 1.99643i −5.52838 −1.95117 1.09222i −5.47779 3.53282i 9.68112i −0.985748 −2.99682 + 5.35359i
384.4 2.73730i 2.14029i −5.49280 −0.301895 + 2.21559i −5.85861 0.398139i 9.56085i −1.58083 6.06474 + 0.826376i
384.5 2.68469i 0.951315i −5.20755 1.01533 1.99226i 2.55398 3.51008i 8.61126i 2.09500 −5.34860 2.72585i
384.6 2.67520i 2.42046i −5.15668 0.149901 2.23104i −6.47521 5.18983i 8.44475i −2.85862 −5.96847 0.401016i
384.7 2.66724i 3.24732i −5.11417 2.21593 0.299395i −8.66138 3.41644i 8.30623i −7.54507 −0.798559 5.91043i
384.8 2.64663i 1.59060i −5.00465 2.23605 0.00801240i −4.20972 1.34010i 7.95218i 0.470005 −0.0212059 5.91800i
384.9 2.62898i 0.577029i −4.91152 2.16906 0.543305i 1.51700 0.118762i 7.65430i 2.66704 −1.42833 5.70241i
384.10 2.61783i 1.28257i −4.85306 1.31428 + 1.80905i 3.35755 4.95392i 7.46884i 1.35502 4.73579 3.44058i
384.11 2.57726i 0.137809i −4.64225 −1.22409 1.87126i 0.355168 1.54749i 6.80976i 2.98101 −4.82272 + 3.15478i
384.12 2.55995i 2.42392i −4.55335 −0.131293 2.23221i 6.20513 3.31404i 6.53646i −2.87540 −5.71435 + 0.336105i
384.13 2.53476i 3.22937i −4.42500 1.91436 1.15553i 8.18566 0.912560i 6.14678i −7.42882 −2.92898 4.85243i
384.14 2.50844i 0.415497i −4.29227 −1.32095 + 1.80419i 1.04225 1.70376i 5.75002i 2.82736 4.52570 + 3.31352i
384.15 2.45004i 1.35099i −4.00268 2.17959 + 0.499405i 3.30997 3.30935i 4.90663i 1.17483 1.22356 5.34006i
384.16 2.44055i 2.71788i −3.95631 0.617234 + 2.14919i 6.63312 3.22836i 4.77447i −4.38685 5.24522 1.50639i
384.17 2.37402i 0.686699i −3.63596 −2.06924 0.847493i −1.63024 1.25097i 3.88379i 2.52844 −2.01196 + 4.91241i
384.18 2.37010i 0.562159i −3.61736 −2.14898 + 0.617972i −1.33237 5.06755i 3.83330i 2.68398 1.46465 + 5.09329i
384.19 2.33648i 2.56267i −3.45915 −1.91927 + 1.14735i −5.98764 2.01013i 3.40928i −3.56730 2.68077 + 4.48433i
384.20 2.32890i 3.08132i −3.42377 −0.849883 + 2.06826i 7.17608 3.03297i 3.31583i −6.49452 4.81677 + 1.97929i
See next 80 embeddings (of 190 total)
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 384.190
Significant digits:
Format:

Inner twists

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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1915.2.c.a 190
5.b even 2 1 inner 1915.2.c.a 190
5.c odd 4 1 9575.2.a.m 95
5.c odd 4 1 9575.2.a.n 95
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1915.2.c.a 190 1.a even 1 1 trivial
1915.2.c.a 190 5.b even 2 1 inner
9575.2.a.m 95 5.c odd 4 1
9575.2.a.n 95 5.c odd 4 1

Hecke kernels

This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(1915, [\chi])\).