Finite Group Databasebeta

C7×#4380 #11929538

order1260
isoclinismisoclinic class of #4380
automorphismAut(G) = C2×C3×AGL(1,𝔽5)×AGL(1,𝔽9) (order 8640) · Inn(G) = #4380 · Out(G) = C2×C3×C8
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C3

Aliases

direct productC7×#4380

Splittings

Fitting, socle, HallC32×C5×C7 ⋊ C4
derived, HallC32×C5 ⋊ C4×C7
HallC32×C7 ⋊ AGL(1,𝔽5)
HallC5×C7 ⋊ #157
SylowC32 ⋊ C7×AGL(1,𝔽5)
SylowC5 ⋊ C7×#157

Subgroups

subgroupG/H
center, hypercenterC7#4380
commutator, hypocenterC32×C5C4×C7
FrattiniC1G
Fitting, socleC32×C5×C7C4
prime radicalC7×C3⋊D15C2
cosocleC3⋊D15C2×C7
LCSG ▷ C32×C5
UCSC1 ◁ C7

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 210

A minimal faithful permutation representation — 2 generators on 18 points:

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

Conjugacy classes & character table

105 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC7×C11×#4380, C7×C11⋊#4380, C7×C13×#4380, …
maximal normal subgroup ofC7×C11×#4380, C7×C13×#4380, C7×C17×#4380, …
maximal quotient ofC7×C11×#4380, C7×C11⋊#4380, C7×C13×#4380, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1260, 90);