Finite Group DatabasebetaFinite Group Databasebeta| order | 920 |
| automorphism | ? |
| homology | Abelianization (H1) = C22 · Schur multiplier (H2) = C2 |
| unambiguous semidirect product | C22⋊D115 |
| Fitting | C22×C5×C23 ⋊ C2 |
| Hall | C5×C23 ⋊ D4 |
| Sylow | C23 ⋊ C22⋊D5 |
| Sylow | C5 ⋊ C22⋊D23 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C2 | C2×D115 |
| commutator, socle, cosocle | C2×C5×C23 | C22 |
| Fitting | C22×C5×C23 | C2 |
| hypercenter | C22 | D115 |
| hypocenter | C5×C23 | D4 |
| LCS | G ▷ C2×C5×C23 ▷ C5×C23 | |
| UCS | C1 ◁ C2 ◁ C22 | |
32 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 460 |
Polycyclic presentation:
2^3,5,23|b^a=bc,d^a=d^4,e^a=e^22233 conjugacy classes — view the full character table.
| maximal subgroup of | #14270341, #14270344, C22⋊D5×D23, … |
| maximal normal subgroup of | #14270341, #14270344, C22⋊D5×D23, … |
| maximal quotient of | #14270289, #14270291, #14270292, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(920, 28);