Let \(G\) be a group. A normal series of \(G\) is a chain of subgroups \[ G = G^0 \supseteq G^1 \supseteq G^2 \supseteq \cdots \] such that \(G^{i+1}\) is a normal subgroup of \(G^i\) for every \(i\).
Normal series
D-KM2DV
D-KM2DV
Let \(G\) be a group. A normal series of \(G\) is a chain of subgroups \[ G = G^0 \supseteq G^1 \supseteq G^2 \supseteq \cdots \] such that \(G^{i+1}\) is a normal subgroup of \(G^i\) for every \(i\).