Finite Group DatabasebetaFinite Group Databasebeta| order | 448 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of D8 |
| automorphism | ? |
| homology | Abelianization (H1) = C24×C7 · Schur multiplier (H2) = C25 |
| direct product | C2×C7×#135 |
| subgroup | G/H | |
|---|---|---|
| center | C2×C4×C7 | D4 |
| commutator, Frattini, cosocle | C4 | C24×C7 |
| socle | C22×C7 | C2×D4 |
| LCS | G ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C4×C7 ◁ C22×C4×C7 ◁ G | |
266 conjugacy classes of subgroups.
| minimal degree | μ(G) = 25 |
| transitive degree | μt(G) = 224 |
A minimal faithful permutation representation — 4 generators on 25 points:
(1,2)(3,4,5,6,7,8,9);(11,15)(13,20)(16,22)(17,21)(18,24)(23,25);(10,11)(12,16)(13,21)(14,17)(15,20)(18,25)(19,23)(22,24);(1,2)(10,12,14,19)(11,16,17,23)(13,18,20,24)(15,22,21,25)196 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(448, 1355);