Finite Group Databasebeta

C2×C7×D155 #16864706

order4340
isoclinismisoclinic class of D155
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productC2×C7×D155
unambiguous semidirect product(C2×C5)⋊(C7×D31)
unambiguous semidirect product(C2×C31)⋊(C7×D5)

Splittings

Fitting, socleC2×C5×C7×C31 ⋊ C2
derived, HallC5×C31 ⋊ C22×C7
HallC5×C7×C31 ⋊ C22
HallC7×C31 ⋊ C2×D5
HallC5×C7 ⋊ C2×D31
SylowC31 ⋊ C2×C7×D5
SylowC5 ⋊ C2×C7×D31

Subgroups

subgroupG/H
center, hypercenterC2×C7D155
commutator, cosocle, hypocenterC5×C31C22×C7
FrattiniC1G
Fitting, socleC2×C5×C7×C31C2
LCSG ▷ C5×C31
UCSC1 ◁ C2×C7

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2170

Conjugacy classes & character table

1106 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×C7×C5⋊(D31⋊C3), C2×C5⋊#13049954, C2×C5⋊#13049955, …
maximal normal subgroup ofC2×C7×C5⋊(D31⋊C3), C2×C5⋊#13049954, C2×C5⋊#13049955, …
maximal quotient ofD3×C7×D155, C2×C7×D465, C2×C3×C7×D155, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4340, 32);