Finite Group Databasebeta

C9⋊C9×C239 #34084151

order19359
nilpotency class2
automorphism?
homologyAbelianization (H1) = C3×C9×C239 · Schur multiplier (H2) = C3

Aliases

direct productC9⋊C9×C239
unambiguous semidirect productC9⋊(C9×C239)
unambiguous semidirect product(C9×C239)⋊C9

Subgroups

subgroupG/H
center, socle, prime radicalC32×C239C32
commutatorC3C3×C9×C239
Frattini, cosocleC32C32×C239
LCSG ▷ C3 ▷ C1
UCSC1 ◁ C32×C239 ◁ G

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 257
transitive degreeμt(G) = 19359

A minimal faithful permutation representation — 2 generators on 257 points:

(2,4,7)(5,9,8)(10,11,13,12,14,16,15,17,18)(19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257);(1,2,5,3,4,8,6,7,9)

Conjugacy classes & character table

7887 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19359, 4);