Finite Group Databasebeta

Dic725⋊C7 #35204396

order20300
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productDic725⋊C7

Splittings

derived, HallC25×C29 ⋊ C4×C7
HallC25×C29⋊C7 ⋊ C4
HallDic725 ⋊ C7
HallC29⋊C7 ⋊ Dic25
SylowC29 ⋊ C7×Dic25
SylowC25 ⋊ Dic29⋊C7

Subgroups

subgroupG/H
center, hypercenterC2C25⋊(D29⋊C7)
commutator, hypocenterC25×C29C4×C7
FrattiniC2×C5C5⋊(D29⋊C7)
Fitting, cosocleC2×C25×C29C2×C7
socleC2×C5×C29C7×D5
prime radicalC2×C5×C29⋊C7D5
LCSG ▷ C25×C29
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2900

Polycyclic presentation:

2,5,7,29,2,5|a^2=e,b^5=f^4,b^a=b^4f,d^a=d^28,f^a=f^4,d^c=d^16

Conjugacy classes & character table

296 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20300, 12);