Finite Group Databasebeta
Cayley diagram

C2×D5×D7 #63331

order280
isoclinismisoclinic class of D5×D7
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

direct productC2×D5×D7
unambiguous semidirect product(C7×D5)⋊C22
unambiguous semidirect product(C5×D7)⋊C22
unambiguous semidirect productD35⋊C22

Splittings

Fitting, socleC2×C5×C7 ⋊ C22
derived, HallC5×C7 ⋊ C23
SylowC7 ⋊ C22×D5
SylowC5 ⋊ C22×D7

Subgroups

subgroupG/H
center, hypercenterC2D5×D7
commutator, cosocle, hypocenterC5×C7C23
FrattiniC1G
Fitting, socleC2×C5×C7C22
LCSG ▷ C5×C7
UCSC1 ◁ C2

64 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 14
transitive degreeμt(G) = 70

A minimal faithful permutation representation — 3 generators on 14 points:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of(C2×D7)⋊AGL(1,𝔽5), C4×D5×D7, D7×D20, …
maximal normal subgroup of(C2×D7)⋊AGL(1,𝔽5), C4×D5×D7, D7×D20, …
maximal quotient ofD7×Dic10, #10587938, #10587939, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(280, 36);