Finite Group Databasebeta

#14558803⋊D5 #37561202

order23940
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product#14558803⋊D5

Splittings

Fitting, socle, derived, HallC5×C7×C19 ⋊ C22×C9
HallC5×#11924780 ⋊ C22
HallD7×D95 ⋊ C9
Hall#11924780 ⋊ C2×D5
HallC7×C19 ⋊ C2×C9×D5
HallC5×C19 ⋊ C2×D7⋊C9
HallC5×C7 ⋊ C2×AGL(1,𝔽19)
SylowC19 ⋊ D5×D7⋊C9
SylowC7 ⋊ C2×C5⋊AGL(1,𝔽19)
SylowC5 ⋊ #14558801⋊C2

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC5×C7×C19C22×C9
prime radicalD7×C5⋊(D19⋊C3)C3
cosocleC5×C7×C19⋊C3C22×C3
LCSG ▷ C5×C7×C19
UCSC1

120 conjugacy classes of subgroups; only the 33 normal subgroups are shown.

normal subgroups only

This group has 120 conjugacy classes of subgroups — too many to draw. Only its 33 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) = 665

Polycyclic presentation:

2^2,3^2,5,7,19|c^3=d,e^a=e^4,g^a=g^18,f^b=f^6,f^c=f^2,g^c=g^4,g^d=g^7

Conjugacy classes & character table

109 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23940, 334);