Properties

Label 112.8.i
Level $112$
Weight $8$
Character orbit 112.i
Rep. character $\chi_{112}(65,\cdot)$
Character field $\Q(\zeta_{3})$
Dimension $54$
Newform subspaces $6$
Sturm bound $128$
Trace bound $3$

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Defining parameters

Level: \( N \) \(=\) \( 112 = 2^{4} \cdot 7 \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 112.i (of order \(3\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 7 \)
Character field: \(\Q(\zeta_{3})\)
Newform subspaces: \( 6 \)
Sturm bound: \(128\)
Trace bound: \(3\)
Distinguishing \(T_p\): \(3\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{8}(112, [\chi])\).

Total New Old
Modular forms 236 58 178
Cusp forms 212 54 158
Eisenstein series 24 4 20

Trace form

\( 54 q - 53 q^{3} - q^{5} - 1004 q^{7} - 18226 q^{9} - 601 q^{11} - 4 q^{13} - 4370 q^{15} - q^{17} - 50731 q^{19} + 3357 q^{21} - 43783 q^{23} - 369620 q^{25} + 310558 q^{27} - 76340 q^{29} - 36301 q^{31}+ \cdots + 69720604 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{8}^{\mathrm{new}}(112, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Minimal twist Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
112.8.i.a 112.i 7.c $4$ $34.987$ \(\Q(\sqrt{-3}, \sqrt{2389})\) None 14.8.c.a \(0\) \(-56\) \(238\) \(-168\) $\mathrm{SU}(2)[C_{3}]$ \(q+(-28\beta _{1}-\beta _{2})q^{3}+(119-119\beta _{1}+\cdots)q^{5}+\cdots\)
112.8.i.b 112.i 7.c $4$ $34.987$ \(\Q(\sqrt{-3}, \sqrt{949})\) None 14.8.c.b \(0\) \(56\) \(14\) \(1848\) $\mathrm{SU}(2)[C_{3}]$ \(q+(28\beta _{1}+\beta _{2})q^{3}+(7-7\beta _{1}+14\beta _{2}+\cdots)q^{5}+\cdots\)
112.8.i.c 112.i 7.c $8$ $34.987$ \(\mathbb{Q}[x]/(x^{8} - \cdots)\) None 7.8.c.a \(0\) \(28\) \(-252\) \(-672\) $\mathrm{SU}(2)[C_{3}]$ \(q+(7-7\beta _{1}-\beta _{3}-\beta _{4})q^{3}+(-63\beta _{1}+\cdots)q^{5}+\cdots\)
112.8.i.d 112.i 7.c $10$ $34.987$ \(\mathbb{Q}[x]/(x^{10} - \cdots)\) None 28.8.e.a \(0\) \(-27\) \(249\) \(-332\) $\mathrm{SU}(2)[C_{3}]$ \(q+(-5+5\beta _{1}-\beta _{3}+\beta _{5})q^{3}+(7^{2}\beta _{1}+\cdots)q^{5}+\cdots\)
112.8.i.e 112.i 7.c $14$ $34.987$ \(\mathbb{Q}[x]/(x^{14} - \cdots)\) None 56.8.i.b \(0\) \(-29\) \(-237\) \(-724\) $\mathrm{SU}(2)[C_{3}]$ \(q+(-4-\beta _{1}-\beta _{2}-4\beta _{3})q^{3}+(-\beta _{2}+\cdots)q^{5}+\cdots\)
112.8.i.f 112.i 7.c $14$ $34.987$ \(\mathbb{Q}[x]/(x^{14} - \cdots)\) None 56.8.i.a \(0\) \(-25\) \(-13\) \(-956\) $\mathrm{SU}(2)[C_{3}]$ \(q+(-4+\beta _{1}+4\beta _{3}+\beta _{4})q^{3}+(-2\beta _{3}+\cdots)q^{5}+\cdots\)

Decomposition of \(S_{8}^{\mathrm{old}}(112, [\chi])\) into lower level spaces

\( S_{8}^{\mathrm{old}}(112, [\chi]) \simeq \) \(S_{8}^{\mathrm{new}}(7, [\chi])\)\(^{\oplus 5}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(14, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(28, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{8}^{\mathrm{new}}(56, [\chi])\)\(^{\oplus 2}\)