Finite Group Databasebeta

C5×Dic1589 #44541002

order31780
automorphism?
homologyAbelianization (H1) = C4×C5 · Schur multiplier (H2) = C1

Aliases

direct productC5×Dic1589
unambiguous semidirect productC7⋊(C5×Dic227)
unambiguous semidirect productC227⋊(C5×Dic7)

Splittings

derived, HallC7×C227 ⋊ C4×C5
HallC5×C7×C227 ⋊ C4
HallC5×C227 ⋊ Dic7
SylowC227 ⋊ C5×Dic7
HallC5×C7 ⋊ Dic227
SylowC7 ⋊ C5×Dic227

Subgroups

subgroupG/H
center, hypercenterC2×C5D1589
commutator, hypocenterC7×C227C4×C5
FrattiniC2C5×D1589
Fitting, socle, prime radicalC2×C5×C7×C227C2
cosocleC2×C7×C227C2×C5
LCSG ▷ C7×C227
UCSC1 ◁ C2×C5

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 31780

Conjugacy classes & character table

7960 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31780, 4);