Finite Group Databasebeta

C7×#10596817⋊C7 #43249308

order28420
automorphism?
homologyAbelianization (H1) = C4×C72 · Schur multiplier (H2) = C7

Aliases

direct productC7×#10596817⋊C7
unambiguous semidirect product#10596817⋊C72
unambiguous semidirect product(C7×#10596817)⋊C7

Splittings

Fitting, socleC5×C7×C29 ⋊ C4×C7
derived, HallC5×C29 ⋊ C4×C72
HallC5×C7×C29⋊C7 ⋊ C4
HallC7×C29⋊C7 ⋊ Dic5
Hall#10596817 ⋊ C72
SylowC29 ⋊ C72×Dic5
SylowC5 ⋊ C7×AGL(1,𝔽29)

Subgroups

subgroupG/H
center, hypercenterC7#10596817⋊C7
commutator, hypocenterC5×C29C4×C72
FrattiniC1G
Fitting, socleC5×C7×C29C4×C7
prime radicalC5×C7×D29⋊C7C2
cosocleC5×D29C2×C72
LCSG ▷ C5×C29
UCSC1 ◁ C7

120 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1015

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28420, 83);