Finite Group Databasebeta

D4019 #22548830

order8038
automorphismAut(G) order 16148342
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD4019
unambiguous semidirect productC4019⋊C2

Splittings

Fitting, socle, derived, SylowC4019 ⋊ C2

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC4019C2
LCSG ▷ C4019
UCSC1

4 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,4019|b^a=b^4018

Conjugacy classes & character table

2011 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC2×D4019, C3×D4019, D12057
maximal normal subgroup ofC2×D4019, C3×D4019
maximal quotient ofDic4019, C2×D4019, C3×D4019, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8038, 1);