Finite Group DatabasebetaFinite Group Databasebeta| order | 7648 |
| automorphism | ? |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C22 |
No aliases for this group.
| Fitting | SD16×C239 ⋊ C2 |
| Sylow | C239 ⋊ AGL(1,ℤ/8) |
| subgroup | G/H | |
|---|---|---|
| center | C2 | D4×D239 |
| commutator | C4×C239 | C23 |
| Frattini | C4 | C22×D239 |
| Fitting | SD16×C239 | C2 |
| socle | C2×C239 | C2×D4 |
| hypercenter | SD16 | D239 |
| hypocenter | C239 | AGL(1,ℤ/8) |
| LCS | G ▷ C4×C239 ▷ C2×C239 ▷ C239 | |
| UCS | C1 ◁ C2 ◁ C4 ◁ SD16 | |
68 conjugacy classes of subgroups.
Polycyclic presentation:
2^5,239|d^2=e,b^a=bd,c^a=ce,d^a=de,f^a=f^238,d^b=de,f^c=f^238844 conjugacy classes — view the full character table.
| maximal subgroup of | AGL(1,ℤ/8)×D239, C2×#21439987, #29505569, … |
| maximal normal subgroup of | AGL(1,ℤ/8)×D239, C2×#21439987, #29505569, … |
| maximal quotient of | #29504772, #29504775, #29504811, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(7648, 173);