Finite Group Databasebeta

D2945 #20238124

order5890
automorphismAut(G) order 6361200
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD2945
unambiguous semidirect productC5⋊D589
unambiguous semidirect productC19⋊D155
unambiguous semidirect productC31⋊D95

Splittings

Fitting, socle, derived, HallC5×C19×C31 ⋊ C2
HallC19×C31 ⋊ D5
HallC5×C31 ⋊ D19
HallC5×C19 ⋊ D31
SylowC31 ⋊ D95
SylowC19 ⋊ D155
SylowC5 ⋊ D589

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC5×C19×C31C2
LCSG ▷ C5×C19×C31
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,5,19,31|b^a=b^4,c^a=c^18,d^a=d^30

Conjugacy classes & character table

1474 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD31×D95, D19×D155, D5×D589, …
maximal normal subgroup ofD31×D95, D19×D155, D5×D589, …
maximal quotient ofDic2945, C2×D2945, C3×D2945, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(5890, 9);