Finite Group Databasebeta

C5×D21×D51 #36339498

order21420
automorphism?
homologyAbelianization (H1) = C22×C5 · Schur multiplier (H2) = C2

Aliases

direct productC5×D21×D51

Splittings

Fitting, socle, HallC32×C5×C7×C17 ⋊ C22
derived, HallC32×C7×C17 ⋊ C22×C5
HallC32×C5×C17 ⋊ C2×D7
HallC5×C7×C17 ⋊ D32
HallC32×C5×C7 ⋊ C2×D17
HallC32×C17 ⋊ C2×C5×D7
HallC7×C17 ⋊ C5×D32
HallC5×C17 ⋊ D3×D21
HallC32×C7 ⋊ C2×C5×D17
HallC32×C5 ⋊ D7×D17
HallC5×C7 ⋊ D3×D51
SylowC17 ⋊ C5×D3×D21
SylowC32 ⋊ C5×D7×D17
SylowC7 ⋊ C5×D3×D51

Subgroups

subgroupG/H
center, hypercenterC5D21×D51
commutator, cosocle, hypocenterC32×C7×C17C22×C5
FrattiniC1G
Fitting, socleC32×C5×C7×C17C22
LCSG ▷ C32×C7×C17
UCSC1 ◁ C5

176 conjugacy classes of subgroups; only the 52 normal subgroups are shown.

normal subgroups only

This group has 176 conjugacy classes of subgroups — too many to draw. Only its 52 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 35
transitive degreeμt(G) = 3570

A minimal faithful permutation representation — 2 generators on 35 points:

(2,3)(4,5)(6,7)(8,9)(10,11)(12,13)(14,15)(16,17)(18,19,21,23,24,22,20)(25,26,27)(29,30)(31,32,33,34,35);(1,2,4,6,8,10,12,14,16,17,15,13,11,9,7,5,3)(19,20)(21,22)(23,24)(26,27)(28,29,30)

Conjugacy classes & character table

1620 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21420, 330);