Finite Group Databasebeta

C9×Dic575 #35207888

order20700
automorphism?
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C1

Aliases

direct productC9×Dic575
unambiguous semidirect productC23⋊(C9×Dic25)

Splittings

derived, HallC23×C25 ⋊ C4×C9
HallC9×C23×C25 ⋊ C4
HallC9×C25 ⋊ Dic23
HallC9×C23 ⋊ Dic25
SylowC25 ⋊ C9×Dic23
SylowC23 ⋊ C9×Dic25

Subgroups

subgroupG/H
center, hypercenterC2×C9D575
commutator, hypocenterC23×C25C4×C9
FrattiniC2×C3×C5C3×D115
FittingC2×C9×C23×C25C2
socle, prime radicalC2×C3×C5×C23C3×D5
cosocleC2×C3×C23×C25C2×C3
LCSG ▷ C23×C25
UCSC1 ◁ C2×C9

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 20700

Conjugacy classes & character table

5202 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20700, 4);