Finite Group Databasebeta
Cayley diagram

D7×#126 #90394

order448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

direct productD7×#126

Splittings

FittingC7×#126 ⋊ C2
SylowC7 ⋊ C2×#126

Subgroups

subgroupG/H
center, FrattiniC22C23×D7
commutator, socle, cosocleC22×C7C24
FittingC7×#126C2
prime radicalC23×D7C22
hypercenter#126D7
hypocenterC7C2×#126
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C22 ◁ #126

246 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 23
transitive degreeμt(G) = 112

A minimal faithful permutation representation — 4 generators on 23 points:

(1,2,4,6,7,5,3)(9,13)(12,15)(16,18,19,23)(17,21,20,22);(8,10,11,14)(9,12,13,15)(17,20)(21,22);(8,9)(10,12)(11,13)(14,15)(16,17)(18,22)(19,20)(21,23);(2,3)(4,5)(6,7)

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×D7×#126, #11743184, D7×#529, …
maximal normal subgroup ofC2×D7×#126, #11743184, D7×#529, …
maximal quotient of#11731704, #11731711, #11731712, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 1156);