Finite Group Databasebeta

C2×D5×#997 #14514684

order1920
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C24

Aliases

direct productC2×D5×#997
unambiguous semidirect productC5⋊(C22×#997)
unambiguous semidirect product(C2×C5)⋊(C2×#997)

Splittings

FittingC2×C5×H(5,𝔽2) ⋊ C2×C3
derivedC5×H(5,𝔽2) ⋊ C22×C3
HallC2×D5×H(5,𝔽2) ⋊ C3
SylowC5 ⋊ C22×#997

Subgroups

subgroupG/H
center, hypercenterC22D5×C22⋊A4
commutator, cosocle, hypocenterC5×H(5,𝔽2)C22×C3
FrattiniC2C2×D5×C22⋊A4
FittingC2×C5×H(5,𝔽2)C2×C3
socleC22×C5C2×C22⋊A4
LCSG ▷ C5×H(5,𝔽2)
UCSC1 ◁ C22

2450 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 2450 conjugacy classes of subgroups — too many to draw. Only its 70 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 80

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×AGL(1,𝔽5)×#997, C2×D5×#5935, C2×#14514395, …
maximal normal subgroup ofC2×AGL(1,𝔽5)×#997, C2×D5×#5935, C2×#14514395, …
maximal quotient ofD3×D5×#997, D5×#35346⋊C3

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 240382);