Finite Group Databasebeta

Subgroup lattice of Cp4 × (Cp)2

Valid at every prime. The subgroup lattice of this shape is one object: each count below is a polynomial in p, and substituting a prime gives the lattice of that group.

Orderp6
Subgroups8p2 + 5p + 7
Classes of subgroups17
Automorphismsp12 − 2p11 + 2p9 − p8
Classes with a complement4

Diagram

Each circle is one class of subgroups, labeled by the exponents of its shape — 3,2 is Cp3 × Cp2, and 2²,1 is (Cp2)2 × Cp. The badge is how many subgroups the class holds. Hover a row of the table to light its circle, or click a circle to jump to its row.

Classes of subgroups

SubgroupQuotientSubgroups
Cp (direct factor)Cp4 × Cpp2 + p
Cp (characteristic)Cp3 × (Cp)21
Cp2Cp3 × Cpp2 − 1
Cp2 (characteristic)Cp2 × (Cp)21
(Cp)2 (direct factor)Cp4p2
(Cp)2Cp3 × Cpp + 1
Cp3Cp2 × Cpp2 − 1
Cp3 (characteristic)(Cp)31
Cp2 × CpCp3p2 − 1
Cp2 × CpCp2 × Cpp + 1
(Cp)3 (characteristic)Cp31
Cp4 (direct factor)(Cp)2p2
Cp3 × CpCp2p2 − 1
Cp3 × Cp(Cp)2p + 1
Cp2 × (Cp)2 (characteristic)Cp21
Cp4 × Cp (direct factor)Cpp2 + p
Cp3 × (Cp)2 (characteristic)Cp1

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