Finite Group Databasebeta

D355⋊D21 #44447262

order29820
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD355⋊D21

Splittings

Fitting, socle, derived, HallC3×C5×C7×C71 ⋊ C22
HallC5×C7×C71 ⋊ C2×D3
HallC3×C7×C71 ⋊ C2×D5
HallC3×C5×C71 ⋊ C2×D7
HallC7×C71 ⋊ D3×D5
HallC5×C71 ⋊ C2×D21
HallC3×C71 ⋊ D5×D7
HallC3×C5×C7 ⋊ C2×D71
SylowC71 ⋊ D5×D21
HallC5×C7 ⋊ D3×D71
HallC3×C7 ⋊ D5×D71
HallC3×C5 ⋊ D7×D71
SylowC7 ⋊ D15⋊D71
SylowC5 ⋊ D21×D71
SylowC3 ⋊ D35⋊D71

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C5×C7×C71C22
LCSG ▷ C3×C5×C7×C71
UCSC1

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7455

Polycyclic presentation:

2^2,3,5,7,71|d^a=d^4,f^a=f^70,c^b=c^2,d^b=d^4,e^b=e^6

Conjugacy classes & character table

1938 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(29820, 150);