Properties

Label 1536.2.f
Level $1536$
Weight $2$
Character orbit 1536.f
Rep. character $\chi_{1536}(767,\cdot)$
Character field $\Q$
Dimension $64$
Newform subspaces $12$
Sturm bound $512$
Trace bound $15$

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Defining parameters

Level: \( N \) \(=\) \( 1536 = 2^{9} \cdot 3 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1536.f (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 24 \)
Character field: \(\Q\)
Newform subspaces: \( 12 \)
Sturm bound: \(512\)
Trace bound: \(15\)
Distinguishing \(T_p\): \(5\), \(19\), \(23\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1536, [\chi])\).

Total New Old
Modular forms 288 64 224
Cusp forms 224 64 160
Eisenstein series 64 0 64

Trace form

\( 64 q + O(q^{10}) \) \( 64 q + 64 q^{25} - 64 q^{49} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(1536, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
1536.2.f.a 1536.f 24.f $4$ $12.265$ \(\Q(\zeta_{8})\) \(\Q(\sqrt{-2}) \) \(0\) \(-4\) \(0\) \(0\) $\mathrm{U}(1)[D_{2}]$ \(q+(-1-\zeta_{8}+\zeta_{8}^{2})q^{3}+(2\zeta_{8}-\zeta_{8}^{2}+\cdots)q^{9}+\cdots\)
1536.2.f.b 1536.f 24.f $4$ $12.265$ \(\Q(\sqrt{-2}, \sqrt{-3})\) \(\Q(\sqrt{-6}) \) \(0\) \(0\) \(-8\) \(0\) $\mathrm{U}(1)[D_{2}]$ \(q-\beta _{2}q^{3}+(-2+\beta _{3})q^{5}+(-\beta _{1}-2\beta _{2}+\cdots)q^{7}+\cdots\)
1536.2.f.c 1536.f 24.f $4$ $12.265$ \(\Q(\sqrt{-2}, \sqrt{-5})\) None \(0\) \(0\) \(-8\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{1}q^{3}-2q^{5}+(2+\beta _{3})q^{9}+\beta _{2}q^{11}+\cdots\)
1536.2.f.d 1536.f 24.f $4$ $12.265$ \(\Q(\sqrt{2}, \sqrt{-5})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-\beta _{1}q^{3}-2\beta _{2}q^{5}+(-2+\beta _{3})q^{9}+\cdots\)
1536.2.f.e 1536.f 24.f $4$ $12.265$ \(\Q(\sqrt{2}, \sqrt{-5})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{1}q^{3}-2\beta _{2}q^{5}+(-2+\beta _{3})q^{9}+\cdots\)
1536.2.f.f 1536.f 24.f $4$ $12.265$ \(\Q(\zeta_{8})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+(\zeta_{8}+\zeta_{8}^{3})q^{3}-\zeta_{8}^{3}q^{5}+3\zeta_{8}^{2}q^{7}+\cdots\)
1536.2.f.g 1536.f 24.f $4$ $12.265$ \(\Q(\zeta_{8})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+(\zeta_{8}-\zeta_{8}^{3})q^{3}-\zeta_{8}^{3}q^{5}+3\zeta_{8}^{2}q^{7}+\cdots\)
1536.2.f.h 1536.f 24.f $4$ $12.265$ \(\Q(\sqrt{-2}, \sqrt{-3})\) \(\Q(\sqrt{-6}) \) \(0\) \(0\) \(8\) \(0\) $\mathrm{U}(1)[D_{2}]$ \(q+\beta _{2}q^{3}+(2+\beta _{3})q^{5}+(\beta _{1}-2\beta _{2})q^{7}+\cdots\)
1536.2.f.i 1536.f 24.f $4$ $12.265$ \(\Q(\sqrt{-2}, \sqrt{-5})\) None \(0\) \(0\) \(8\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{1}q^{3}+2q^{5}+(2+\beta _{3})q^{9}+\beta _{2}q^{11}+\cdots\)
1536.2.f.j 1536.f 24.f $4$ $12.265$ \(\Q(\zeta_{8})\) \(\Q(\sqrt{-2}) \) \(0\) \(4\) \(0\) \(0\) $\mathrm{U}(1)[D_{2}]$ \(q+(1+\zeta_{8}-\zeta_{8}^{2})q^{3}+(2\zeta_{8}-\zeta_{8}^{2}-2\zeta_{8}^{3})q^{9}+\cdots\)
1536.2.f.k 1536.f 24.f $8$ $12.265$ 8.0.157351936.1 None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-\beta _{2}q^{3}+\beta _{7}q^{5}-\beta _{6}q^{7}+(1-\beta _{4}+\cdots)q^{9}+\cdots\)
1536.2.f.l 1536.f 24.f $16$ $12.265$ 16.0.\(\cdots\).7 None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{14}q^{3}+\beta _{4}q^{5}-\beta _{6}q^{7}-\beta _{12}q^{9}+\cdots\)

Decomposition of \(S_{2}^{\mathrm{old}}(1536, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1536, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(24, [\chi])\)\(^{\oplus 7}\)