Finite Group Databasebeta

C2×C7⋊(C7⋊AGL(1,𝔽5)) #14520034

order1960
isoclinismisoclinic class of C7⋊(C7⋊AGL(1,𝔽5))
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2×C7

Aliases

direct productC2×C7⋊(C7⋊AGL(1,𝔽5))
unambiguous semidirect productD5⋊(C7⋊Dic7)
unambiguous semidirect product(C2×C7)⋊(C7⋊AGL(1,𝔽5))

Splittings

Fitting, socleC2×C5×C72 ⋊ C4
derived, HallC5×C72 ⋊ C2×C4
SylowC72 ⋊ C2×AGL(1,𝔽5)
SylowC5 ⋊ C2×C7⋊Dic7

Subgroups

subgroupG/H
center, hypercenterC2C7⋊(C7⋊AGL(1,𝔽5))
commutator, hypocenterC5×C72C2×C4
FrattiniC1G
Fitting, socleC2×C5×C72C4
prime radicalC2×C72×D5C2
cosocleC72×D5C22
LCSG ▷ C5×C72
UCSC1 ◁ C2

160 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 490

Conjugacy classes & character table

202 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×AGL(1,𝔽5)×C7⋊D7, C22×C7⋊(C7⋊AGL(1,𝔽5)), C2×#15668765, …
maximal normal subgroup ofC2×AGL(1,𝔽5)×C7⋊D7, C22×C7⋊(C7⋊AGL(1,𝔽5)), C2×#15668765, …
maximal quotient ofC22×C7⋊(C7⋊AGL(1,𝔽5))

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1960, 131);