Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [308,2,Mod(127,308)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(308, base_ring=CyclotomicField(10))
chi = DirichletCharacter(H, H._module([5, 0, 9]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("308.127");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 308 = 2^{2} \cdot 7 \cdot 11 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 308.v (of order \(10\), degree \(4\), 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: | \(2.45939238226\) |
Analytic rank: | \(0\) |
Dimension: | \(72\) |
Relative dimension: | \(18\) over \(\Q(\zeta_{10})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{10}]$ |
$q$-expansion
The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
127.1 | −1.37548 | − | 0.328732i | 0.511458 | − | 0.703962i | 1.78387 | + | 0.904325i | −0.909414 | + | 2.79889i | −0.934914 | + | 0.800151i | 0.809017 | − | 0.587785i | −2.15639 | − | 1.83029i | 0.693078 | + | 2.13307i | 2.17096 | − | 3.55085i |
127.2 | −1.28551 | + | 0.589471i | −0.388982 | + | 0.535388i | 1.30505 | − | 1.51554i | 0.00558488 | − | 0.0171885i | 0.184443 | − | 0.917537i | 0.809017 | − | 0.587785i | −0.784284 | + | 2.71752i | 0.791718 | + | 2.43666i | 0.00295272 | + | 0.0253880i |
127.3 | −1.25690 | − | 0.648239i | 0.398065 | − | 0.547889i | 1.15957 | + | 1.62954i | 0.623380 | − | 1.91857i | −0.855489 | + | 0.430598i | 0.809017 | − | 0.587785i | −0.401131 | − | 2.79984i | 0.785324 | + | 2.41698i | −2.02721 | + | 2.00734i |
127.4 | −1.22147 | + | 0.712754i | 1.28462 | − | 1.76812i | 0.983962 | − | 1.74121i | 1.19117 | − | 3.66606i | −0.308879 | + | 3.07532i | 0.809017 | − | 0.587785i | 0.0391793 | + | 2.82816i | −0.548967 | − | 1.68955i | 1.15802 | + | 5.32698i |
127.5 | −0.888268 | − | 1.10045i | −1.47977 | + | 2.03674i | −0.421961 | + | 1.95498i | 0.692975 | − | 2.13276i | 3.55575 | − | 0.180755i | 0.809017 | − | 0.587785i | 2.52616 | − | 1.27220i | −1.03151 | − | 3.17465i | −2.96253 | + | 1.13188i |
127.6 | −0.732938 | + | 1.20946i | −1.80272 | + | 2.48123i | −0.925604 | − | 1.77292i | 0.791257 | − | 2.43524i | −1.67968 | − | 3.99891i | 0.809017 | − | 0.587785i | 2.82270 | + | 0.179958i | −1.97966 | − | 6.09276i | 2.36539 | + | 2.74188i |
127.7 | −0.373768 | + | 1.36393i | 1.03113 | − | 1.41923i | −1.72059 | − | 1.01959i | −0.408163 | + | 1.25620i | 1.55032 | + | 1.93685i | 0.809017 | − | 0.587785i | 2.03374 | − | 1.96568i | −0.0239268 | − | 0.0736391i | −1.56080 | − | 1.02623i |
127.8 | −0.285828 | − | 1.38503i | 1.65473 | − | 2.27754i | −1.83661 | + | 0.791758i | 0.0343997 | − | 0.105871i | −3.62742 | − | 1.64086i | 0.809017 | − | 0.587785i | 1.62156 | + | 2.31744i | −1.52201 | − | 4.68426i | −0.156467 | − | 0.0173836i |
127.9 | −0.164081 | + | 1.40466i | −1.25298 | + | 1.72457i | −1.94615 | − | 0.460957i | −1.27886 | + | 3.93593i | −2.21686 | − | 2.04298i | 0.809017 | − | 0.587785i | 0.966815 | − | 2.65806i | −0.477155 | − | 1.46853i | −5.31882 | − | 2.44218i |
127.10 | 0.179271 | − | 1.40281i | −0.385759 | + | 0.530952i | −1.93572 | − | 0.502964i | −0.647741 | + | 1.99354i | 0.675667 | + | 0.636329i | 0.809017 | − | 0.587785i | −1.05258 | + | 2.62528i | 0.793951 | + | 2.44353i | 2.68043 | + | 1.26604i |
127.11 | 0.546505 | − | 1.30435i | 0.153071 | − | 0.210684i | −1.40267 | − | 1.42567i | 1.31046 | − | 4.03317i | −0.191152 | − | 0.314798i | 0.809017 | − | 0.587785i | −2.62614 | + | 1.05043i | 0.906094 | + | 2.78867i | −4.54450 | − | 3.91344i |
127.12 | 0.654935 | − | 1.25342i | −1.96050 | + | 2.69840i | −1.14212 | − | 1.64182i | −0.457143 | + | 1.40694i | 2.09823 | + | 4.22461i | 0.809017 | − | 0.587785i | −2.80590 | + | 0.356270i | −2.51075 | − | 7.72730i | 1.46409 | + | 1.49445i |
127.13 | 0.738473 | + | 1.20609i | 1.43106 | − | 1.96968i | −0.909314 | + | 1.78133i | 0.598117 | − | 1.84082i | 3.43242 | + | 0.271429i | 0.809017 | − | 0.587785i | −2.81996 | + | 0.218751i | −0.904672 | − | 2.78429i | 2.66189 | − | 0.638009i |
127.14 | 0.755572 | + | 1.19545i | 0.134272 | − | 0.184810i | −0.858222 | + | 1.80650i | −0.451054 | + | 1.38820i | 0.322384 | + | 0.0208792i | 0.809017 | − | 0.587785i | −2.80804 | + | 0.338978i | 0.910925 | + | 2.80354i | −2.00033 | + | 0.509671i |
127.15 | 0.969994 | − | 1.02913i | 1.59092 | − | 2.18971i | −0.118222 | − | 1.99650i | −0.529385 | + | 1.62928i | −0.710318 | − | 3.76127i | 0.809017 | − | 0.587785i | −2.16934 | − | 1.81493i | −1.33676 | − | 4.11414i | 1.16324 | + | 2.12520i |
127.16 | 1.30070 | − | 0.555134i | −0.736653 | + | 1.01392i | 1.38365 | − | 1.44413i | 0.449342 | − | 1.38293i | −0.395307 | + | 1.72774i | 0.809017 | − | 0.587785i | 0.998036 | − | 2.64649i | 0.441683 | + | 1.35936i | −0.183253 | − | 2.04823i |
127.17 | 1.33634 | + | 0.462805i | −0.972142 | + | 1.33804i | 1.57162 | + | 1.23693i | 0.150078 | − | 0.461893i | −1.91836 | + | 1.33817i | 0.809017 | − | 0.587785i | 1.52777 | + | 2.38032i | 0.0817642 | + | 0.251644i | 0.414323 | − | 0.547791i |
127.18 | 1.41145 | − | 0.0884008i | 0.790194 | − | 1.08761i | 1.98437 | − | 0.249546i | −1.16500 | + | 3.58551i | 1.01917 | − | 1.60496i | 0.809017 | − | 0.587785i | 2.77878 | − | 0.527641i | 0.368564 | + | 1.13432i | −1.32738 | + | 5.16375i |
183.1 | −1.39393 | − | 0.238677i | −0.0348162 | − | 0.0113125i | 1.88607 | + | 0.665397i | −2.47045 | + | 1.79489i | 0.0458312 | + | 0.0240786i | −0.309017 | − | 0.951057i | −2.47022 | − | 1.37768i | −2.42597 | − | 1.76257i | 3.87202 | − | 1.91230i |
183.2 | −1.38833 | + | 0.269313i | −2.44243 | − | 0.793593i | 1.85494 | − | 0.747794i | 2.83055 | − | 2.05651i | 3.60463 | + | 0.443993i | −0.309017 | − | 0.951057i | −2.37389 | + | 1.53775i | 2.90862 | + | 2.11324i | −3.37590 | + | 3.61743i |
See all 72 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
44.g | even | 10 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 308.2.v.a | ✓ | 72 |
4.b | odd | 2 | 1 | 308.2.v.b | yes | 72 | |
11.d | odd | 10 | 1 | 308.2.v.b | yes | 72 | |
44.g | even | 10 | 1 | inner | 308.2.v.a | ✓ | 72 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
308.2.v.a | ✓ | 72 | 1.a | even | 1 | 1 | trivial |
308.2.v.a | ✓ | 72 | 44.g | even | 10 | 1 | inner |
308.2.v.b | yes | 72 | 4.b | odd | 2 | 1 | |
308.2.v.b | yes | 72 | 11.d | odd | 10 | 1 |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{72} - 38 T_{3}^{70} - 20 T_{3}^{69} + 835 T_{3}^{68} + 760 T_{3}^{67} - 13865 T_{3}^{66} + \cdots + 93392896 \) acting on \(S_{2}^{\mathrm{new}}(308, [\chi])\).