TY - JOUR AU - Kwang-Seob Kim TI - An example of a $\mathop {\rm PSL}\nolimits _2(\mathbb {F}_7)$-maximal unramified extension of a quartic number field JO - Acta Arithmetica PY - 2017 SP - 147 EP - 162 VL - 179 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa8506-2-2017/ DO - 10.4064/aa8506-2-2017 LA - en ID - 10_4064_aa8506_2_2017 ER -