Finite Group DatabasebetaFinite Group Databasebeta| order | 224 |
| automorphism | Aut(G) = AGL(1,𝔽7)×#23900 (order 10752) · Inn(G) = C22×D7 · Out(G) = C3×D42 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C22 |
No aliases for this group.
| Sylow | C7 ⋊ C4⋊Q8 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C22 | C22×D7 |
| commutator, socle, prime radical, cosocle | C22×C7 | C23 |
| Fitting | C2×C7×Q8 | C2 |
| hypercenter | C2×Q8 | D7 |
| hypocenter | C7 | C4⋊Q8 |
| LCS | G ▷ C22×C7 ▷ C7 | |
| UCS | C1 ◁ C22 ◁ C2×Q8 | |
68 conjugacy classes of subgroups.
| minimal degree | μ(G) = 19 |
| transitive degree | μt(G) = 224 |
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);(12,13,15,17)(14,18,19,16);(2,3)(4,5)(6,7)(8,9,10,11)Polycyclic presentation:
2^5,7|a^2=e,b^2=d,c^2=d,c^a=ce,f^a=f^6,c^b=cd44 conjugacy classes — view the full character table.
| maximal subgroup of | #89273, #89524, #89564, … |
| maximal normal subgroup of | #89273, #89524, #89564, … |
| maximal quotient of | #89744, #89746, #89748, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(224, 139);