Finite Group DatabasebetaFinite Group Databasebeta| order | 224 |
| automorphism | Aut(G) = C26×AGL(1,𝔽7) (order 2688) · Inn(G) = C22×D7 · Out(G) = C24×C3 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C22 |
No aliases for this group.
| Sylow | C7 ⋊ C22⋊Q8 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C22 | C22×D7 |
| commutator, socle, cosocle | C22×C7 | C23 |
| Fitting | C7×C22⋊C4 | C2 |
| prime radical | C23×C7 | C22 |
| hypercenter | C22⋊C4 | D7 |
| hypocenter | C7 | C22⋊Q8 |
| LCS | G ▷ C22×C7 ▷ C7 | |
| UCS | C1 ◁ C22 ◁ C22⋊C4 | |
74 conjugacy classes of subgroups.
| minimal degree | μ(G) = 19 |
| transitive degree | μt(G) = 112 |
A minimal faithful permutation representation — 3 generators on 19 points:
(1,2,4,6,7,5,3)(9,11)(12,14,15,19)(13,16,17,18);(8,9)(10,11);(2,3)(4,5)(6,7)(12,13,15,17)(14,18,19,16)Polycyclic presentation:
2^5,7|a^2=d,c^2=d,c^a=cd,f^a=f^6,c^b=ce44 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#6441, #90174, #90181, … |
| maximal normal subgroup of | C2×#6441, #90174, #90181, … |
| maximal quotient of | #89418, #89419, #89426, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(224, 73);