Finite Group Databasebeta
Cayley diagram

D7×#100 #89516

order448
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productD7×#100

Splittings

FittingC7×#100 ⋊ C2
SylowC7 ⋊ C2×#100

Subgroups

subgroupG/H
centerC2D7×C22⋊C4
commutatorC22×C7C22×C4
FrattiniC2×C4C22×D7
FittingC7×#100C2
socleC2×C7C2×C22⋊C4
prime radicalC2×D4×D7C2
cosocleC2×C4×C7C23
hypercenter#100D7
hypocenterC7C2×#100
LCSG ▷ C22×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2 ◁ C2×C4 ◁ #100

186 conjugacy classes of subgroups; only the 53 normal subgroups are shown.

normal subgroups only

This group has 186 conjugacy classes of subgroups — too many to draw. Only its 53 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 15
transitive degreeμt(G) = 56

A minimal faithful permutation representation — 3 generators on 15 points:

(1,2,4,6,7,5,3)(9,12)(10,14);(8,9,10,13,11,12,14,15);(2,3)(4,5)(6,7)

Conjugacy classes & character table

55 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×AΣL(1,𝔽16), #11726889, D7×#352, …
maximal normal subgroup ofD7×AΣL(1,𝔽16), #11726889, D7×#352, …
maximal quotient of#11725855, #11725857, #11725858, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(448, 278);